Autumn for the year 2021 starts on Wednesday, September 22nd for the Northern Hemisphere* and on Saturday, March 20th for Southern Hemisphere*.
In Autumn the day light gets shorter and evenings become cooler. The plants drop their leaves and animals prepare for the cold winter ahead. In the Northern Hemisphere autumn comes in the September, October and November months and in the Southern Hemisphere it comes in the March, April and May months. Autumn comes about by the Earth decreasing its axis tilt relative to the sun decreasing the temperatures (less direct sunlight) and the shortening of the days.
More information on Autumn.
(Details on Northern and Southern Hemisphere for Autumn)
|Name(s):||Autumn, Fall, Autumn Equinox|
|When:||September 21st thru 24th (N.Hemisphere), March 20th thru 23rd (S. Hemishpere)|
How many days to Autumn 2021?
Wednesday, September 22nd is the 264 day of the 2021 calendar year with 2 years, 11 months, 6 days until the start of Autumn 2021 in Northern Hemisphere (*Denver, USA).
Saturday, March 20th is the 78 day of the 2021 calendar year with 2 years, 5 months, 4 days until the start of Autumn 2021 in Southern Hemisphere (*Sydney, Australia).