Les Très Riches Heures du duc de Berry septembre

2008-05-04 at 18-26-44-Forgetmenot-Flower

September is the ninth month of the year in both the

Julian Julian may refer to: People * Julian (emperor) (331–363), Roman emperor from 361 to 363 * Julian (Rome), referring to the Roman gens Julia, with imperial dynasty offshoots * Saint Julian (disambiguation), several Christian saints * Julian (give ...

and

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years di ...

s, the third of four months to have a length of 30 days, and the fourth of five months to have a length of fewer than 31 days. September in the Northern Hemisphere and

March March is the third month of the year in both the Julian and Gregorian calendars. It is the second of seven months to have a length of 31 days. In the Northern Hemisphere, the meteorological beginning of spring occurs on the first day of March ...

in the Southern Hemisphere are seasonally equivalent. In the Northern hemisphere, the beginning of the meteorological

autumn Autumn, also known as fall in American English and Canadian English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March ( S ...

is on 1 September. In the Southern hemisphere, the beginning of the meteorological spring is on 1 September.　 September marks the beginning of the ecclesiastical year in the

Eastern Orthodox Church The Eastern Orthodox Church, also called the Orthodox Church, is the second-largest Christian church, with approximately 220 million baptized members. It operates as a communion of autocephalous churches, each governed by its bishops vi ...

. It is the start of the

academic year An academic year or school year is a period of time which schools, colleges and universities use to measure a quantity of study. School holiday School holidays (also referred to as vacations, breaks, and recess) are the periods during which sc ...

in many countries of the northern hemisphere, in which children go back to school after the summer break, sometimes on the first day of the month. September (from Latin ''septem'', "seven") was originally the seventh of ten months in the oldest known

Roman calendar The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. The term often includes the Julian calendar established by the reforms of the Roman dictator, dictator Julius Caesar and Roman emperor, emperor Augustus in the ...

, the calendar of Romulus , with March (Latin ''

Martius Martius may refer to: * Martius (month) the month of March on the ancient Roman calendar * Campus Martius, the "Field of Mars" in ancient Rome * Telo Martius, an ancient name for Toulon, France People * Carl Friedrich Philipp von Martius (1794–1 ...

'') the first month of the year until perhaps as late as 451 BC. After the calendar reform that added

January January is the first month of the year in the Julian and Gregorian calendars and is also the first of seven months to have a length of 31 days. The first day of the month is known as New Year's Day. It is, on average, the coldest month of the ...

and February to the beginning of the year, September became the ninth month but retained its name. It had 29 days until the Julian reform, which added a day.

September events

Ancient Roman In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–509 B ...

observances for September include

Ludi Romani The ''Ludi Romani'' ("Roman Games"; see '' ludi'') was a religious festival in ancient Rome. Usually including multiple ceremonies called '' ludi''. They were held annually starting in 366 BC from September 12 to September 14, later extended to ...

, originally celebrated from September 12 to September 14, later extended to September 5 to September 19. In the 1st century BC, an extra day was added in honor of the deified Julius Caesar on 4 September.

Epulum Jovis In ancient Roman religion, the Epulum Jovis (also Epulum Iovis) was a sumptuous ritual feast offered to Jove on the Ides of September (September 13) and a smaller feast on the Ides of November (November 13). It was celebrated during the '' Lud ...

was held on September 13.

Ludi Triumphales In the Roman Empire of the 4th century, the ''Ludi Triumphales'' ("Triumphal Games") were games ''( ludi)'' held annually September 18–22 to commemorate the victory of Constantine over Licinius at Chalcedon in 324. No description of these gam ...

was held from September 18–22. The

Septimontium The Septimontium was a proto- urban festival celebrated in ancient Rome by ''montani'', residents of the seven ''(sept-)'' communities associated with the hills or peaks of Rome ''(montes)'': Oppius, Palatium, Velia, Fagutal, Cermalus, Caelius, ...

was celebrated in September, and on December 11 on later calendars. These dates do not correspond to the modern Gregorian calendar. September was called "harvest month" in

Charlemagne Charlemagne ( , ) or Charles the Great ( la, Carolus Magnus; german: Karl der Große; 2 April 747 – 28 January 814), a member of the Carolingian dynasty, was King of the Franks from 768, King of the Lombards from 774, and the first Em ...

's calendar. September corresponds partly to the

Fructidor Fructidor () is the twelfth month in the French Republican Calendar. The month was named after the Latin word ''fructus'', which means "fruit". Fructidor is the third month of the summer quarter (''mois d'été''). By the Gregorian calendar, Fr ...

and partly to the

Vendémiaire Vendémiaire () was the first month in the French Republican calendar. The month was named after the Occitan word ''vendemiaire'' (grape harvester). Vendémiaire was the first month of the autumn quarter (''mois d'automne''). It started on the ...

of the

first French republic In the history of France, the First Republic (french: Première République), sometimes referred to in historiography as Revolutionary France, and officially the French Republic (french: République française), was founded on 21 September 1792 ...

. September is called ''Herbstmonat'', harvest month, in Switzerland. The

Anglo-Saxon The Anglo-Saxons were a Cultural identity, cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo- ...

s called the month ''Gerstmonath'', barley month, that crop being then usually harvested. In 1752, the

British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading post ...

adopted the

. In the British Empire that year,

September 2 Events Pre-1600 * 44 BC – Pharaoh Cleopatra VII of Egypt declares her son co-ruler as Ptolemy XV Caesarion. * 44 BC – Cicero launches the first of his '' Philippicae'' (oratorical attacks) on Mark Antony. He will make 14 of th ...

was immediately followed by September 14. On

Usenet Usenet () is a worldwide distributed discussion system available on computers. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Ellis conceived the idea in 1979, and it was ...

, it is said that September 1993 (

Eternal September Eternal September or the September that never ended is Usenet slang for a period beginning around 1993 when Internet service providers began offering Usenet access to many new users. The flood of new users overwhelmed the existing culture for o ...

) never ended.

September in astronomy and astrology

The

September equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anytime ...

takes place in this month, and certain observances are organized around it. It is the Autumn equinox in the Northern Hemisphere, and the

Vernal equinox Spring equinox or vernal equinox or variations may refer to: * March equinox, the spring equinox in the Northern Hemisphere * September equinox, the spring equinox in the Southern Hemisphere Other uses * Nowruz, Persian/Iranian new year which be ...

in the Southern Hemisphere. The dates can vary from 21 September to 24 September (in UTC). September is mostly in the sixth month of the astrological calendar (and the first part of the seventh), which begins at the end of March/Mars/Aries.

September symbols

* September's

birthstone A birthstone is a gemstone that represents a person's period of birth that is usually the month or zodiac sign. Birthstones are often worn as jewelry or as a pendant necklace. History of birthstones Western custom The first century historian ...

is the

sapphire Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide () with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. The name sapphire is derived via the Latin "sap ...

The birth flowers for September are the

forget-me-not ''Myosotis'' ( ) is a genus of flowering plants in the family Boraginaceae. The name comes from the Ancient Greek "mouse's ear", which the foliage is thought to resemble. In the northern hemisphere they are colloquially known as forget-me-not ...

, morning glory and aster. * The

zodiac The zodiac is a belt-shaped region of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year. The p ...

signs for the month of September are

Virgo Virgo may refer to: * Virgo (astrology), the sixth astrological sign of the zodiac * Virgo (constellation), a constellation * Virgo Cluster, a cluster of galaxies in the constellation Virgo * Virgo Stellar Stream, remains of a dwarf galaxy *Virgo ...

(until September 22) and Libra (September 23 onwards).. Signs in UT/GMT for 1950–2030.

Observances

''This list does not necessarily imply either official status or general observance.''

Non-Gregorian observances: 2020 dates

List of observances set by the Bahá'í calendar A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby uni ...

List of observances set by the Chinese calendar The traditional Chinese holidays are an essential part of harvests or prayer offerings. The most important Chinese holiday is the Chinese New Year (Spring Festival), which is also celebrated in overseas ethnic Chinese communities (for example in ...

* List of observances set by the Hebrew calendar * List of observances set by the Islamic calendar * List of observances set by the Solar Hijri calendar

Month-long observances

* Amerindian Heritage Month (Guyana) *

Childhood Cancer Awareness Month Young Lives vs Cancer, the operating name for "CLIC Sargent", is a charity in the United Kingdom formed in 2005. Young Lives vs Cancer is the UK's leading cancer charity for children, young people and their families. Its care teams provide speci ...

(United Kingdom) *Gynecologic Cancer Awareness Month *Leukemia and Lymphoma Awareness Month *Ovarian Cancer Awareness Month *Thyroid Cancer Awareness Month *National Suicide Prevention Month

United States observances

* Better Breakfast Month * Food Safety Education Month * National Childhood Obesity Awareness Month * Hydrocephalus Awareness Month * Pain Awareness Month * National Preparedness Month * National Prostate Health Month * National Sickle Cell Awareness Month * National Yoga Month

= Food Months

= * National Bourbon Heritage Month * California Wine Month * National Chicken Month * National Honey Month * National Mushroom Month * National Italian Cheese Month * National Papaya Month * National Potato Month * National Rice Month * National Whole Grains Month * National Wild Rice Month

Movable Gregorian observances

* Engineering Day (Egypt) * White Balloon Day * Day of the Programmer * Te Wiki o te Reo Māori (Māori Language Week) (

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 List of islands of New Zealand, smaller islands. It is the ...

First Wednesday

* Administrative Professionals' Day (

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...

)

First Thursday

* Engineer's Days (

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands ...

)

First Friday

* Engineer's Days (

) *

Labor Day Labor Day is a federal holiday in the United States celebrated on the first Monday in September to honor and recognize the American labor movement and the works and contributions of laborers to the development and achievements of the United ...

(

Marshall Islands The Marshall Islands ( mh, Ṃajeḷ), officially the Republic of the Marshall Islands ( mh, Aolepān Aorōkin Ṃajeḷ),'' () is an independent island country and microstate near the Equator in the Pacific Ocean, slightly west of the Internati ...

) * Teachers' Day (

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

)

First Sunday

* Brazilian Day ( International observance) * Father's Day ( Australia, Fiji,

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

) * Memorial of the Holy Guardian Angels (

Roman Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

, October 2 in most locations, first Sunday in September by special dispensation)

First Sunday after September 4

* Wakes Week (Parts of

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...

and

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...

) ** Abbots Bromley Horn Dance ( Abbots Bromley, Staffordshire,

)

Week of the First Monday

* National Payroll Week (

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...

)

Week of September 10

National Suicide Prevention Week National Suicide Prevention Week (NSPW) is an annual week-long campaign in the United States to inform and engage health professionals and the general public about suicide prevention and warning signs of suicide. By drawing attention to the prob ...

(

)

First Monday

Labour Day Labour Day (''Labor Day'' in the United States) is an annual holiday to celebrate the achievements of workers. Labour Day has its origins in the labour union movement, specifically the eight-hour day movement, which advocated eight hours fo ...

(

Palau Palau,, officially the Republic of Palau and historically ''Belau'', ''Palaos'' or ''Pelew'', is an island country and microstate in the western Pacific. The nation has approximately 340 islands and connects the western chain of the Ca ...

)

Nearest weekday to September 12

* Saragarhi Day (

Sikhism Sikhism (), also known as Sikhi ( pa, ਸਿੱਖੀ ', , from pa, ਸਿੱਖ, lit=disciple', 'seeker', or 'learner, translit= Sikh, label=none),''Sikhism'' (commonly known as ''Sikhī'') originated from the word ''Sikh'', which comes fr ...

) * Patriot Day (

)

Second Saturday

* Day of the Workers in the Oil, Gas, Power, and Geological Industry (

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the s ...

)

Saturday after first Monday

* Carl Garner Federal Lands Cleanup Day (

)

Second Sunday

* Auditor's Day ( Church of Scientology) * Father's Day (

Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...

) *

National Grandparents' Day Grandparents' Day or National Grandparents' Day is a secular holiday celebrated in various countries; it is celebrated to show the bond between grandparents and grandchildren. It occurs on various days of the year, either as one holiday or someti ...

(

Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, and t ...

) * Tanker's Day (

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...

) * Turkmen Bakhshi Day (

)

First Sunday after first Monday

(

)

Week of September 17

* Celebrate Freedom Week (

Kansas Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to ...

and

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

)

Third Tuesday

* Prinsjesdag (

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

)

September 17 but observed on previous Friday if it falls on a Saturday or following Monday if on a Sunday

* Constitution Day (United States)

Third Friday

National POW/MIA Recognition Day In the United States, National POW/MIA Recognition Day is observed on the third Friday in September. It honors those who were prisoners of war (POWs) and those who are still missing in action (MIA). It is most associated with those who were POWs d ...

(

)

Third Saturday

* National Cleanup Day (United States) * Oktoberfest celebrations begin (

German diaspora The German diaspora consists of German people and their descendants who live outside of Germany. The term is used in particular to refer to the aspects of migration of German speakers from central Europe to different countries around the world ...

, local dates may vary) *

Software Freedom Day Software Freedom Day (SFD) is an annual worldwide celebration of Free Software organized by the Digital Freedom Foundation (DFF). SFD is a public education effort with the aim of increasing awareness of Free Software and its virtues, and enc ...

( International observance)

Weekend of the week of September 17

* Von Steuben Day (

)

Third Sunday

* Day of the Walloon Region (

Wallonia Wallonia (; french: Wallonie ), or ; nl, Wallonië ; wa, Waloneye or officially the Walloon Region (french: link=no, Région wallonne),; nl, link=no, Waals gewest; wa, link=no, Redjon walone is one of the three regions of Belgium—al ...

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to ...

) * Father's Day (

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian invas ...

) * Federal Day of Thanksgiving, Repentance and Prayer ( Switzerland) * Warachikuy (

Cusco Cusco, often spelled Cuzco (; qu, Qusqu ()), is a city in Southeastern Peru near the Urubamba Valley of the Andes mountain range. It is the capital of the Cusco Region and of the Cusco Province. The city is the seventh most populous in Peru ...

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

)

) ** National Tree Day (Wednesday of last full week): * Celebrate Freedom Week (

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the ...

and

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, a ...

)

Third Monday

* Respect for the Aged Day ( Japan)

Observances pertaining to the
September Equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anytime ...

* Autumnal Equinox Day ( Japan) ** French Republican New Year. (defunct) * Guldize (

Cornish people The Cornish people or Cornish ( kw, Kernowyon, ang, Cornƿīelisċ) are an ethnic group native to, or associated with Cornwall: and a recognised national minority in the United Kingdom, which can trace its roots to the ancient Britons ...

) * Higan ( Japan) * Mabon (

Neopaganism Modern paganism, also known as contemporary paganism and neopaganism, is a term for a religion or family of religions influenced by the various historical pre-Christian beliefs of pre-modern peoples in Europe and adjacent areas of North Afric ...

, Northern Hemisphere) *

Miķeļi Miķeļi nav gadskārta () or Miķeļdiena is a Latvian autumn equinox and annual harvest festival and market. Latvian Miķeļi dainas referred to good and rich husbands as bread fathers, who are associated with the autumn harvest ripening. In di ...

(

) * Ostara (

, Southern Hemisphere)

Fourth Friday

* Native American Day (

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

)

Last Friday

* Manit Day (

)

Last Saturday

* Girls in Aviation Day ( International observance) * National Public Lands Day (

)

Last Sunday

Daylight saving time Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typical ...

begins (

) *

Gold Star Mother's Day A service flag or service banner is a banner that family members of those serving in the United States Armed Forces can display. The flag or banner is officially defined as a white field with a red border, with a blue star for each family member s ...

(

)

Fourth Monday

* American Indian Day (

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...

) * September Declaration (

Flanders Flanders (, ; Dutch: ''Vlaanderen'' ) is the Flemish-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. However, there are several overlapping definitions, including ones related to cultu ...

)

Last Wednesday

* Maple Leaf Day (

)

Last weekday in September

Ask a Stupid Question Day Ask a Stupid Question Day is a holiday that is sometimes celebrated in the United States, usually by school students and teachers. Although Ask a Stupid Question Day's default date is September 28, in practice it is usually observed on the last s ...

(

India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...

)

Fixed Gregorian observances

* September 1 ** Anniversary of the Start of the Armed Struggle (

Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopia ...

) **

Constitution Day (Slovakia) National holidays in Slovakia See also Remembrance days in Slovakia. References Zákon č. 241/1993 Z. z. o štátnych sviatkoch, dňoch pracovného pokoja a pamätných dňochNational and Bank Holidays in Slovakia * Public holidays in the Cz ...

** Disaster Prevention Day ( Japan) ** Emma Nutt Day ( International observance) ** First day of school in many countries in Asia, Europe and the Americas. ** Flag Day ( Honduras) ** Independence Day (Uzbekistan) ** Journalist Day (

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northe ...

) ** Knowledge Day (

and

Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ...

) ** National Cherry Popover Day (

) ** Random Acts of Kindness Day (

) **Start of

National Arbor Week Arbor Day (or Arbour in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date varies, dependi ...

(

), September 1–7 ** Veteran's Day (

Poland Poland, officially the Republic of Poland, , is a country in Central Europe. Poland is divided into Voivodeships of Poland, sixteen voivodeships and is the fifth most populous member state of the European Union (EU), with over 38 mill ...

) ** Teachers' Day (

) ** Wattle Day ( Australia) *

** Democracy Day (

Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...

) ** Independence Day (Transnistria, unrecognized) ** Independence Day (

Nagorno-Karabakh Republic Artsakh, officially the Republic of Artsakh () or the Nagorno-Karabakh Republic (),, is a breakaway state in the South Caucasus whose territory is internationally recognised as part of Azerbaijan. Artsakh controls a part of the former N ...

, unrecognized) ** National Blueberry Popsicle Day (

) ** National Day (Vietnam) ** Sedantag ( German Empire, defunct) ** Victory over Japan Day (

) *

September 3 Events Pre-1600 * 36 BC – In the Battle of Naulochus, Marcus Vipsanius Agrippa, admiral of Octavian, defeats Sextus Pompey, son of Pompey, thus ending Pompeian resistance to the Second Triumvirate. * 301 __NOTOC__ Year 301 (Ro ...

**China's victory over Japan commemoration related observances: *** Armed Forces Day (

Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northea ...

) ***

V-J Day Victory over Japan Day (also known as V-J Day, Victory in the Pacific Day, or V-P Day) is the day on which Imperial Japan surrendered in World War II, in effect bringing the war to an end. The term has been applied to both of the days on ...

(

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, sli ...

) **

Feast of San Marino and the Republic San Marino (, ), officially the Republic of San Marino ( it, Repubblica di San Marino; ), also known as the Most Serene Republic of San Marino ( it, Serenissima Repubblica di San Marino, links=no), is the fifth-smallest country in the world an ...

(

Republic of San Marino San Marino (, ), officially the Republic of San Marino ( it, Repubblica di San Marino; ), also known as the Most Serene Republic of San Marino ( it, Serenissima Repubblica di San Marino, links=no), is the fifth-smallest country in the world an ...

) **

Flag Day (Australia) Australian National Flag Day has been celebrated in Australia since 3 September 1996. It commemorates the day in 1901 on which the Australian National Flag was first flown. Since 2008, the same day has also been commemorated as Merchant Navy Da ...

** Independence Day (

Qatar Qatar (, ; ar, قطر, Qaṭar ; local vernacular pronunciation: ), officially the State of Qatar,) is a country in Western Asia. It occupies the Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Middle East; it ...

) **

Levy Mwanawasa Day Levy Patrick Mwanawasa (3 September 1948 – 19 August 2008) was the third president of Zambia. He served as president from January 2002 until his death in August 2008. Mwanawasa is credited with having initiated a campaign to rid the corrupti ...

(

Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most central point. Its neighbours are ...

) **

Memorial Day Memorial Day (originally known as Decoration Day) is a federal holiday in the United States for mourning the U.S. military personnel who have fought and died while serving in the United States armed forces. It is observed on the last Monda ...

(

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

) ** Merchant Navy Remembrance Day (

) ** Merchant Navy (United Kingdom) ** National Welsh Rarebit Day (

) ** Tokehega Day (

Tokelau Tokelau (; ; known previously as the Union Islands, and, until 1976, known officially as the Tokelau Islands) is a dependent territory of New Zealand in the southern Pacific Ocean. It consists of three tropical coral atolls: Atafu, Nukunon ...

) * September 4 **

Clear Day ''Clear Day'' is the 11th album by Canadian jazz vocalist Emilie-Claire Barlow. It features the Dutch jazz and pop orchestra Metropole Orkest conducted by Jules Buckley. It won the Juno Award for Vocal Jazz Album of the Year in 2016. ''Clear Da ...

(

Scientology Scientology is a set of beliefs and practices invented by American author L. Ron Hubbard, and an associated movement. It has been variously defined as a cult, a business, or a new religious movement. The most recent published census data i ...

) ** Immigrant's Day (

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, t ...

) ** National Macadamia Nut Day (

) ** Newspaper Carrier Day (

) * September 5 **

International Day of Charity The International Day of Charity is an international day observed annually on 5 September. It was declared by the United Nations General Assembly in 2012. The prime purpose of the International Day of Charity is to raise awareness and provide a c ...

** National Cheese Pizza Day (

) ** Teachers' Day (

) * September 6 ** Armed Forces Day (São Tomé and Príncipe) ** Defence Day or Army Day (Pakistan) ** Flag Day (

Bonaire Bonaire (; , ; pap, Boneiru, , almost pronounced ) is a Dutch island in the Leeward Antilles in the Caribbean Sea. Its capital is the port of Kralendijk, on the west (leeward) coast of the island. Aruba, Bonaire and Curaçao form the ABC ...

) ** Independence Day (Eswatini) ** National Coffee Ice Cream Day (

) **

Unification Day (Bulgaria) Unification Day ( bg, Ден на Съединението, translit=Den na Saedinenieto) on 6 September is a national holiday of Bulgaria. It commemorates the unification of Eastern Rumelia and Bulgaria in 1885. By the terms of the Treaty of B ...

* September 7 ** Air Force Day (Pakistan) ** Independence Day (Brazil) ** Military Intelligence Day (Ukraine) ** National Acorn Squash Day (

) ** National Beer Lover's Day (

) ** National Salami Day (

) ** National Threatened Species Day ( Australia) ** Victory Day (

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Mala ...

) * September 8 ** Day of the Battle of Borodino (Russia) ** Feast Day of Our Lady of Meritxell (Andorra) ** Independence Day (North Macedonia) **

International Literacy Day International Literacy Day is an international observance, celebrated each year on 8 September, that was declared by UNESCO on 26 October 1966 at the 14th session of UNESCO's General Conference. It was celebrated for the first time in 1967. It ...

** Martyrs' Day (Afghanistan) (date may fall on September 9, follows a non-Gregorian calendar) ** National day (Andorra) **

Nativity of Mary The Nativity of the Blessed Virgin Mary, the Nativity of Mary, the Marymas or the Birth of the Virgin Mary, refers to a Christian feast day celebrating the birth of Mary, mother of Jesus. The modern canon of scripture does not record Mary's b ...

(

), (

Anglo-Catholicism Anglo-Catholicism comprises beliefs and practices that emphasise the Catholic heritage and identity of the various Anglican churches. The term was coined in the early 19th century, although movements emphasising the Catholic nature of Anglica ...

) *** Monti Fest ( Mangalorean Catholic) ** Victory Day (Pakistan) **

Victory Day (Malta) Victory Day (or ''Otto settembre'') is a public holiday celebrated in Malta on 8 September and recalls the end of three historical sieges made on the Maltese archipelago, namely: the Great Siege of Malta by the Ottoman Empire ending in 1565; the ...

World Physical Therapy Day World PT Day is observed to generate awareness about the crucial contribution physiotherapists make to society, enabling people to be mobile, well, and independent. This is observed on 8 September. Designated in 1996, World PT Day is promoted by Wo ...

* September 9 ** Armored Forces Day (Ukraine) ** California Admission Day (

, United States) **

Children's Day Children's Day is a commemorative date celebrated annually in honor of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...

(Costa Rica) ** Chrysanthemum Day ( Japan) **

Day of the Victims of Holocaust and of Racial Violence Remembrance Days in Slovakia are working days. For Public holidays in Slovakia see National holidays in Slovakia National holidays in Slovakia See also Remembrance days in Slovakia. References Zákon č. 241/1993 Z. z. o štátnych sviat ...

(Slovakia) ** Emergency Services Day (United Kingdom) ** Independence Day or Republic Day (North Korea) ** Independence Day (Tajikistan) from

USSR The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nation ...

in 1991. ** Martyrs' Day (Afghanistan) (date may fall on September 8, follows a non-Gregorian calendar) ** National Steak Au Poivre Day (United States) ** Remembrance for Herman the Cheruscan ( The Troth) ** Wienerschnitzel Day (United States) ** Wonderful Weirdos Day *

September 10 Events Pre-1600 * 506 – The bishops of Visigothic Gaul meet in the Council of Agde. *1419 – John the Fearless, Duke of Burgundy is assassinated by adherents of the Dauphin, the future Charles VII of France. *1509 – An earthq ...

Amerindian Heritage Day Welcome to Micobie! — Heritage Village 2012 guyanachronicle.com/2012/09/09/welcome-to-micobie-heritage-village-2012 Amerindian Heritage Month is an annual observance that is held every September in Guyana in honour of Guyana's indigenous peoples. ...

(Guyana) **

(Honduras) ** National Day ( Gibraltar) ** National TV Dinner Day (

) ** Saint George's Caye Day (Belize) ** Teachers' Day (China) ** World Suicide Prevention Day * September 11 ** Battle of Tendra Day (Russia) ** Death Anniversary of Quaid-e-Azam Muhammad Ali Jinnah, a former holiday. (Pakistan) ** Emergency Number Day (United States) ** Enkutatash falls on this day if it is not a leap year.(Ethiopia,

Rastafari Rastafari, sometimes called Rastafarianism, is a religion that developed in Jamaica during the 1930s. It is classified as both a new religious movement and a social movement by scholars of religion. There is no central authority in control ...

) ** National Day of Catalonia (

Catalonia Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a '' nationality'' by its Statute of Autonomy. Most of the territory (except the Val d'Aran) lies on the no ...

) ** National Hot Cross Bun Day (United States) **

Nayrouz Nayrouz or Neyrouz (Arabic Nārūz < Persian Nawruz) is a feast when

martyr

s and

(

Coptic Orthodox Church The Coptic Orthodox Church ( cop, Ϯⲉⲕ̀ⲕⲗⲏⲥⲓⲁ ⲛ̀ⲣⲉⲙⲛ̀ⲭⲏⲙⲓ ⲛ̀ⲟⲣⲑⲟⲇⲟⲝⲟⲥ, translit=Ti.eklyseya en.remenkimi en.orthodoxos, lit=the Egyptian Orthodox Church; ar, الكنيسة القبطي� ...

) ** Patriot Day (United States) ** Remember Freedom Day ** Teachers' Day (Argentina) * September 12 ** Most Holy Name of the Blessed Virgin Mary ** Day of Conception (Russia) ** Day of the Programmer, during a

leap year A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year o ...

. (International) ** Defenders Day (

Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; ...

. (United States) ** Enkutatash falls on this day if it is a leap year. (Ethiopia,

) **

Mindfulness Day Mindfulness Day is an emerging annual event, celebrated on September 12, on which day a variety of workshops and meditation groups are held with the intent to raise awareness to the general public about the profound value and benefit of mindfulnes ...

** National Chocolate Milkshake Day (United States) ** National Day (Cape Verde) **

National Day of Encouragement The National Day of Encouragement in the United States was announced in 2007 and occurs each year on September 12. The first proclamation for the Day of Encouragement was made by Mayor Belinda LaForce of Searcy, Arkansas on August 22, 2007. In Se ...

(United States) ** Saragarhi Day (

) (this day or nearest weekday, 2015 date: September 11) *

September 13 Events Pre-1600 *585 BC – Lucius Tarquinius Priscus, king of Rome, celebrates a triumph for his victories over the Sabines, and the surrender of Collatia. * 509 BC – The Temple of Jupiter Optimus Maximus on Rome's Capitoline Hi ...

** Day of the Programmer, during a non-

. (International) **

Feast of the Cross In the Christian liturgical calendar, there are several different Feasts of the Cross, all of which commemorate the cross used in the crucifixion of Jesus. Unlike Good Friday, which is dedicated to the passion of Christ and the crucifixion, t ...

(

Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...

) **'' Día de los Niños Héroes'' (Mexico) ** Engineer's Day (Mauritius) ** International Chocolate Day ** National Peanut Day (

) * September 14 **

(Nepal) (celebrated on the 15th on leap years) ** Engineer's Day (Romania) **

(Christianity) *** Elevation of the Holy Cross (

Eastern Orthodox Eastern Orthodoxy, also known as Eastern Orthodox Christianity, is one of the three main branches of Chalcedonian Christianity, alongside Catholicism and Protestantism. Like the Pentarchy of the first millennium, the mainstream (or " canoni ...

) ** Hindi Diwas ( Hindi-speaking regions) ** Mobilized Servicemen Day (Ukraine) ** National Cream Filled Donut Day (

) ** National Eat a Hoagie Day (United States) ** San Jacinto Day (Nicaragua) * September 15 ** Battle of Britain Day (United Kingdom) **

(Nepal) (leap years only) ** Engineer's Day (India) ** Free Money Day (International) ** Independence Day (Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica) **

International Day of Democracy In 2007 the United Nations General Assembly resolved to observe 15 September as the International Day of Democracywith the purpose of promoting and upholding the principles of democracyand invited all member states and organizations to commemor ...

( International) ** Knowledge Day (Azerbaijan) ** National Crème de Menthe Day (

) ** National Double Cheeseburger Day (

) ** National Linguine Day (

) ** National Cheese Toast Day (

) ** Patriotic Day (Guatemala) ** Restoration of Primorska to the Motherland Day (Slovenia) ** Silpa Bhirasri Day (Thailand). **

World Lymphoma Awareness Day World Lymphoma Awareness Day (WLAD) is held on September 15 every year and is a day dedicated to raising awareness of lymphoma, an increasingly common form of cancer. It is a global initiative hosted by the Lymphoma Coalition (LC), a non-profit ne ...

**The beginning of National Hispanic Heritage Month, celebrated until October 15 (United States) * September 16 ** Grito de Dolores (Mexico) ** Independence Day (Papua New Guinea), celebrates the independence of Papua New Guinea from Australia in 1975. ** International Day for the Preservation of the Ozone Layer ** Malaysian Armed Forces Day (Malaysia) ** Malaysia Day (Malaysia, Singapore) ** Martyrs' Day (Libya) ** Heroes' Day (Saint Kitts and Nevis) ** National Cinnamon Raisin Toast Day (

) ** National Guacamole Day (

) ** Stay Away from Seattle Day *

September 17 Events Pre-1600 *1111 – Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia". *1176 – The Battle of Myriokephalon is the last attempt by the Byzantine Em ...

** Australian Citizenship Day ** Constitution Day (United States) (observed on the previous Friday if it falls on a Saturday, the following Monday if on a Sunday) **Start of Constitution Week, runs from September 17–23 ** Heroes' Day (Angola) ** Marathwada Liberation Day (India) ** National Apple Dumpling Day (

) ** National Monte Cristo Sandwich Day (

) ** Operation Market Garden Anniversary is still remembered with parachuting and dedications on this day. (Netherlands) ** Teachers' Day (Honduras) ** Von Steuben Day. (United States), weekend of the week of September 17. * September 18 ** Day of National Music (Azerbaijan) **First day of

Fiestas Patrias (Chile) The Fiestas Patrias (literally Homeland Holidays) of Chile consist of two days, with a third one added on some years: * 18 September, in commemoration of the proclamation of the First Governing Body of 1810, and marking the beginning of th ...

or ''Dieciocho'' (Chile) ** Island Language Day (

Okinawa Prefecture is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest cit ...

, Japan) ** National Cheeseburger Day (

) ** Navy Day (Croatia) ** World Water Monitoring Day ( International) * September 19 ** Armed Forces Day (Chile) **

Day of the First Public Appearance of the Slovak National Council Remembrance Days in Slovakia are working days. For Public holiday A public holiday, national holiday, or legal holiday is a holiday generally established by law and is usually a non-working day during the year. Sovereign nations and territori ...

** Feast of San Gennaro **Second day of

** Independence Day (

Saint Kitts and Nevis Saint Kitts and Nevis (), officially the Federation of Saint Christopher and Nevis, is an island country and microstate consisting of the two islands of Saint Kitts and Nevis, both located in the West Indies, in the Leeward Islands chain ...

) ** International Talk Like a Pirate Day ** National Butterscotch Pudding Day (

) * September 20 ** Independence Day of South Ossetia (not fully recognized) ** National Pepperoni Pizza Day (

) ** National Punch Day (

) ** National Rum Punch Day (

) ** National Youth Day (Thailand) ** Oil Workers' Day (Azerbaijan) ** Universal Children's Day (Germany) * September 21 ** Arbor Day (Brazil) ** Commemoration of the Declaration of Martial Law (

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

) **

Customs Service Day Holidays in Poland are regulated by the Non-working Days Act of 18 January 1951 (Ustawa z dnia 18 stycznia 1951 o dniach wolnych od pracy; Journal of Laws 1951 No. 4, Item 28). The Act, as amended in 2010, currently defines thirteen public holiday ...

(

) ** Founder's Day and National Volunteer Day (

Ghana Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in Ghana–Ivory Coast border, the west, Burkina ...

) ** Independence Day, celebrates the independence of

from the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

in 1991. ** Independence Day, celebrates the independence of

Belize Belize (; bzj, Bileez) is a Caribbean and Central American country on the northeastern coast of Central America. It is bordered by Mexico to the north, the Caribbean Sea to the east, and Guatemala to the west and south. It also shares a wa ...

from the United Kingdom in 1981. ** Independence Day, celebrates the independence of

Malta Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies ...

from the United Kingdom in 1964. ** International Day of Peace ( International) ** National Pecan Cookie Day (

) ** Acknowledgement of Earth, Wind, & Fire's "September" **

Student's Day (Bolivia) Spring day is a holiday marking the coming of the spring season, which takes place in different countries, on varying dates. Northern Hemisphere Albania Albania celebrates the lunar Spring Day, the so-called ''Summer Day'' (), on 14 March, and i ...

** Victory over the Golden Horde in the Battle of Kulikovo (Russia) *

September 22 Events Pre-1600 * 904 – The warlord Zhu Quanzhong kills Emperor Zhaozong, the penultimate emperor of the Tang dynasty, after seizing control of the imperial government. *1236 – The Samogitians defeat the Livonian Brothers of the ...

**American Business Women's Day (

) **Thomas Roy#List of days, Dear Diary Day **Hobbit Day, the containing week is celebrated as Tolkien Week. (Tolkien fandom, American Tolkien Society) **Independence Day (Bulgaria), Independence Day, celebrates the independence of Bulgaria from the Ottoman Empire in 1908. **Independence Day (Mali), Independence Day, celebrates the independence of Mali from France in 1960. **OneWebDay, an annual day of Internet celebration and awareness, started in 2006. **Resistance Fighting Day (

) **World Car-Free Day *September 23 **Celebrate Bisexuality Day **Grito de Lares (Puerto Rico) **Holocaust Memorial Day (Lithuania) **Public holidays in Kyrgyzstan, Kyrgyz Language Day (Kyrgyzstan) **Saudi National Day, National Day (Saudi Arabia) **Teachers' Day (Brunei) *September 24 **Armed Forces Day (Peru) **Constitution Day (Cambodia) **La Mercè (Barcelona) **Heritage Day (South Africa) **Independence Day (Guinea-Bissau) **Mahidol Day (Thailand) **National Punctuation Day (

) **New Caledonia Day (New Caledonia) **Republic Day (Trinidad and Tobago) *September 25 **Harki, Day of National Recognition for the Harkis (France) **List of food days#Germany, German Butterbrot Day (Germany) **List of food days#September, National Lobster Day (

) **Public holidays in Nauru, National Youth Day (Nauru) **Public holidays in Mozambique, Revolution Day (

) *September 26 **Flag Day, Day of the National Flag (Ecuador) **Dominion Day (

) **European Day of Languages (European Union) **List of food days#September, Johnny Appleseed Day (

) **List of food days#September, National Better Breakfast Day (

) **List of food days#September, National Dumpling Day (

) **National Good Neighbor Day (

) **List of food days#September, National Pancake Day (

) **Yemen Arab Republic, Revolution Day (Yemen) *September 27 **Consumación de la Independencia (Mexico) **French Community Holiday (French community of Belgium) **Meskel (Ethiopian Orthodox Church, Ethiopian and Eritrean Orthodox Church, following Julian calendar, September 28 on leap years) **List of food days#September, National Chocolate Milk Day (

) **List of food days#September, National Corned Beef Hash Day (

) **AIDS.gov#External links, National Gay Men's HIV/AIDS Awareness Day (

) **Polish Underground State's Day (

) **World Tourism Day *September 28 **

(

) **Czech Statehood Day (Czech Republic) **List of food days#September, Family Day – A Day to Eat Dinner with Your Children (

) **Thomas Roy#List of days, Fish Tank Floorshow Night **Freedom from Hunger Day **International Right to Know Day **Meskel (Ethiopian Orthodox Church, Ethiopian and Eritrean Orthodox Church, September 28 on leap years only, all other years is September 27) **National Day of Awareness and Unity against Child Pornography (

) ** Teachers' Day (

and Chinese-Filipino schools in the

) **World Rabies Day *September 29 ** Feast of the Archangels Michael (archangel), Michael, Gabriel, and Raphael (archangel), Raphael. **List of food days#September, National Biscotti Day (

) **International Coffee Day, National Coffee Day (multiple countries, see article) **Inventors' Day (

) **Michaelmas One of the four quarter days in the Irish calendar. (England and Ireland) **Victory of Boquerón Day (Paraguay) **World Heart Federation, World Heart Day *September 30 **Agricultural Reform (Nationalization) Day (São Tomé and Príncipe) **Birth of Morelos (Mexico) **Blasphemy Day (

, other countries) **Public holidays in Poland#Holidays declared by statute, Boy's Day (

September events

September in astronomy and astrology

September symbols

Observances

Non-Gregorian observances: 2020 dates

Month-long observances

United States observances

= Food Months

Movable Gregorian observances

First Wednesday

First Thursday

First Friday

First Sunday

First Sunday after September 4

Week of the First Monday

Week of September 10

First Monday

Nearest weekday to September 12

Second Saturday

Saturday after first Monday

Second Sunday

First Sunday after first Monday

Week of September 17

Third Tuesday

September 17 but observed on previous Friday if it falls on a Saturday or following Monday if on a Sunday

Third Friday

Third Saturday

Weekend of the week of September 17

Third Sunday

Week of Sunday before September 23

Week of September 22

Last week

Last full week

Third Monday

Observances pertaining to the September Equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anytime ...

Fourth Friday

Last Friday

Last Saturday

Last Sunday

Fourth Monday

Last Wednesday

Last weekday in September

Fixed Gregorian observances

Observances pertaining to the
September Equinox The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur anytime ...