File:Les_Très_Riches_Heures_du_duc_de_Berry_septembre.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ123· pop 296· linked from 619 articles

September

Also known as Sept, Sep

September is the ninth month of the year in the Julian and Gregorian calendars. Its length is 30 days. right|thumb|September, from the Très Riches Heures du Duc de Berry thumb |In recent decades, the number of warm temperature records in September has outpaced cold temperature records over a growing portion of Earth's surface. thumb |Chart shows changes in global average temperature annually in September of each year

AI overview

September is the ninth month of the year in both the Julian and Gregorian calendars, containing 30 days. In recent decades, September has become notable for showing more warm temperature records than cold ones across much of Earth's surface, reflecting broader changes in global climate patterns.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Image: Breviarium Grimani - September.jpg

Show 5 more facts

Commons category: September
Commons gallery: September
name: Haligmonðes
time index: 8.5
short name: Σεπ.

Sources (3)

via Wikidata · CC0

~21 min read

Article

45 sections

Contents

Events
Astronomy and astrology
Symbols
Observances
Non-Gregorian
Month-long
United States
Food months
Movable Gregorian
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
Pertaining to the [[September Equinox]]
Fourth Friday
Last Friday
Last Saturday
Last Sunday
Fourth Monday
Last Wednesday
Last weekday
Fixed Gregorian
References
External links

September in the Northern Hemisphere and March in the Southern Hemisphere are seasonally equivalent. 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.