September
Sign in to saveSeptember 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
- Part of
- Swedish calendar
- Has part
- September 30
- Named after
- Calluna
- Followed by
- October
- Follows
- August
- Image
- Breviarium Grimani - September.jpg
Show 5 more facts
Article
45 sectionsContents
- 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 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
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.