Start and end dates of Autumn
Autumn 2021, 2022, 2023

The transition from the summer season to the Autumn season always takes place in September. This date is however not fixed because it depends on the autumnal equinox which takes place according to the years on September 21, 22, 23 or 24.

This year the Autumn will start on Wednesday September 22, 2021 (day of the fall equinox) and will end on Tuesday December 21, 2021 with the winter solstice.

* The dates of fall given on this page are for the northern hemisphere (Dates for the US).

Photo illustrating the seasons: autumn landscape.
Autumn landscape

Start and end dates of the Autumn season:
2021 to 2026

The table below will allow you to view the Autumn start and end dates for the years 2021, 2022, 2023, 2024, 2025 and 2026. The Autumn period spans the following 4 months: September, October, November and December.

Be careful the date of the beginning of Autumn is not fixed and can vary from one year to another. Although it falls most often on September 22 or 23, it happens exceptionally that autumn begins on September 21 or 24.

Dates of the Autumn season 2021 to 2026
Season Autumn start date Autumn end date
Autumn 2021 Wednesday, September 22, 2021 Tuesday, December 21, 2021
Autumn 2022 Thursday, September 22, 2022 Wednesday, December 21, 2022
Autumn 2023 Saturday, September 23, 2023 Thursday, December 21, 2023
Autumn 2024 Sunday, September 22, 2024 Saturday, December 21, 2024
Autumn 2025 Monday, September 22, 2025 Sunday, December 21, 2025
Autumn 2026 Tuesday, September 22, 2026 Monday, December 21, 2026

Date of the meteorological Autumn:
2021 to 2026

If the astronomical or calendrical seasons begin with the equinoxes (spring and autumn) and solstices (summer and winter), in meteorology, they begin earlier and correspond to periods of three full months.

In the northern hemisphere the dates of the meteorological Autumn extend from September 1 to November 31 (September, October and November).

For the year 2021 the meteorological Autumn will begin on Wednesday, September 1, 2021 and will end on Tuesday, November 30, 2021.

Dates of the meteorological Autumn 2021 to 2026
Year Dates of the meteorological Autumn
2021 From September 1, 2021 to November 31, 2021
2022 From September 1, 2022 to November 31, 2022
2023 From September 1, 2023 to November 31, 2023
2024 From September 1, 2024 to November 31, 2024
2025 From September 1, 2025 to November 31, 2025
2026 From September 1, 2026 to November 31, 2026

Page updated October 7, 2021