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School starts in September in many countries, such as here, in Belgium
WPA poster, 1940
Sapphire, September birthstone
Forget-me-not, September birth flower

September is the ninth month of the year in the Julian and Gregorian calendars and the third month to have the length of 30 days. In the Northern Hemisphere September is the seasonal equivalent of March in the Southern Hemisphere.

In the Northern hemisphere, the beginning of the meteorological autumn is on 1 September. In the Southern hemisphere, the beginning of the meteorological spring is on 1 September.[1] 

September marks the beginning of the ecclesiastical year in the Eastern Orthodox Church. It is the start of the academic year in many countries, in which children go back to school after the summer break, sometimes on the first day of the month.

September (Roman month) (from Latin septem, "seven") was originally the seventh of ten months on the oldest known Roman calendar, with March (Latin Martius) the first month of the year until perhaps as late as 153 BC.[2] After the calendar reform that added January 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.

Ancient Roman observances for September include Ludi Romani, originally celebrated from September 12 to September 14, later extended to September 5 to September 19. In the last 1st century BC, an extra day was added in honor of the deified Julius Caesar on 4 September. Epulum Jovis was held on September 13. Ludi Triumphales was held from September 18–22. The Septimontium was celebrated in September, and on December 11 on later calendars. These dates do not correspond to the modern Gregorian calendar. In 1752, the British Empire adopted the Gregorian calendar. In the British Empire that year, September 2 was immediately followed by September 14.

September was called "harvest month" in Charlemagne's calendar.[3] September corresponds partly to the Fructidor and partly to the Vendémiaire of the first French republic.[3] On Usenet, it is said that September 1993 (Eternal September) never ended. September is called Herbstmonat, harvest month, in Switzerland.[3] The Anglo-Saxons called the month Gerstmonath, barley month, that crop being then usually harvested.[3]

Contents

September in Astronomy and AstrologyEdit

Meteor showers that occur in September include the Aurigids, the Delta Aurigids which occur from mid-September to early October, the Southern Taurids, which occur from September 10 to November 20, and the Andromedids which occur from September 25-December 25.

The September equinox 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 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 symbolsEdit

ObservancesEdit

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

Non-Gregorian observances, 2017Edit

(please note that all Jewish observances, which are set by the Hebrew calendar, begin at sunset the day prior to the date listed and end on the nightfall of the date in question)

Month-long observancesEdit

United States observancesEdit

Food MonthsEdit

Movable Gregorian Observances, 2017 datesEdit

First Friday: September 1Edit

First Sunday: September 3Edit

Week of the First Monday: September 3-9Edit

First Monday: September 4Edit

First Wednesday: September 6Edit

First Thursday: September 7Edit

Thursday after the first Sunday: September 7Edit

Saturday after first Monday: September 9Edit

Second Saturday: September 9Edit

Weekend after first Monday: September 8-10Edit

Week of September 10: September 10-16Edit

First Sunday after September 4: September 10Edit

Second Sunday: September 10Edit

First Sunday after first Monday:September 11Edit

Nearest weekday to September 12: September 12Edit

Third Friday: September 15Edit

Third Saturday: September 16Edit

Weekend of the Week of September 17: September 16-17Edit

Week of September 17: September 17-23Edit

Week of September 22: September 17-23Edit

Week of Sunday before September 23: September 17-23Edit

Third Sunday: September 17Edit
Weekday nearest September 17: September 18Edit
September 17 but observed on previous Friday if it falls on a Saturday or following Monday if on a Sunday: September 18Edit
Monday after third Sunday: September 18Edit
Third Monday: September 18Edit
Third Tuesday: September 19Edit
Observances pertaining to the September Equinox: September 22Edit
Fourth Friday: September 22Edit
Saturday closest to September 23: September 23Edit

Last week: September 24-30Edit

Last full week: September 24-30Edit

Last Week of the Month: September 24-30Edit

Last Sunday: September 24Edit
Fourth Monday: September 25Edit
Last Wednesday: September 27Edit
Last weekday in September: September 29Edit
Last Friday: September 29Edit
Last Saturday: September 30Edit

Fixed Gregorian observancesEdit

ReferencesEdit

  1. ^ Office, Met. "Met Office: Changing seasons". webarchive.nationalarchives.gov.uk. 
  2. ^ H.H. Scullard, Festivals and Ceremonies of the Roman Republic (Cornell University Press, 1981), p. 84; Gary Forsythe, Time in Roman Religion: One Thousand Years of Religious History (Routledge, 2012), p. 14.
  3. ^ a b c d   Chisholm, Hugh, ed. (1911). "September". Encyclopædia Britannica (11th ed.). Cambridge University Press. 
  4. ^ SHG Resources. [http://www.shgresources.com/gems/birthflowers tp://www.flowerstower.com/singleflower.php?name=Forget-me-not http://www.shgresources.com/gems/birthflowers tp://www.flowerstower.com/singleflower.php?name=Forget-me-not] Check |url= value (help).  line feed character in |url= at position 47 (help); Missing or empty |title= (help)
  5. ^ "Amavasya 2017 Date and Time – Amavasi Calendar in 2017 - The No moon Day in Hindu Calendar 2017". www.hindu-blog.com. 
  6. ^ a b "Cancer Awareness Month :: Society of Gynecologic Nurse Oncologists". www.sgno.org. 
  7. ^ http://www.cinj.org/sites/cinj/files/documents/Sept15LeukemiaLymphoma.pdf
  8. ^ Baunfire.com, Spark CMS by. "September Is Thyroid Cancer Awareness Month - ThyCa: Thyroid Cancer Survivors' Association, Inc". www.thyca.org. 
  9. ^ a b c d e f g h i j "Food Days, Weeks, Months - September". UNL Food. University of Nebraska–Lincoln. 
  10. ^ Goldstein, Darra (2011). "National Turkey Day". Gastronomica. 11 (4). 
  11. ^ "September is Hydrocephalus Awareness Month! Here's What You Can Do…". Hydrocephalus Association. Retrieved 29 July 2016. 
  12. ^ "California Wine Month - California Wines". www.discovercaliforniawines.com. 
  13. ^ "September Monthly Observations". 4 January 2016. 
  14. ^ AnydayGuide. "Egyptian Engineering Day / September 5, 2017". 

External linksEdit