When is the First Day of Fall? When is the September (Autumnal) Equinox?
Need to know the exact date of of the First Day of Fall this year?
On the equinoxes the Sun shines directly on the equator and the length of day and night is nearly equal – but not quite. The September or Autumnal Equinox is when the Sun crosses the celestial equator, moving from north to south. This date is considered to be the first day of Fall.
Here's a chart that shows what day of the week the First Day of Fall is celebrated in Northern Hemisphere from 2016 - 2050:
| Year | Day First Day of Fall Falls on | First Day of Fall |
|---|---|---|
| 2016 | Thursday | September 22, 2016 |
| 2017 | Friday | September 22, 2017 |
| 2018 | Sunday | September 23, 2018 |
| 2019 | Monday | September 23, 2019 |
| 2020 | Tuesday | September 22, 2020 |
| 2021 | Wednesday | September 22, 2021 |
| 2022 | Thursday | September 22, 2022 |
| 2023 | Saturday | September 23, 2023 |
| 2024 | Sunday | September 22, 2024 |
| 2025 | Monday | September 22, 2025 |
| 2026 | Wednesday | September 23, 2026 |
| 2027 | Thursday | September 23, 2027 |
| 2028 | Friday | September 22, 2028 |
| 2029 | Saturday | September 22, 2029 |
| 2030 | Sunday | September 22, 2030 |
| 2031 | Tuesday | September 23, 2031 |
| 2032 | Wednesday | September 22, 2032 |
| 2033 | Thursday | September 22, 2033 |
| 2034 | Friday | September 22, 2034 |
| 2035 | Sunday | September 23, 2035 |
| 2036 | Monday | September 22, 2036 |
| 2037 | Tuesday | September 22, 2037 |
| 2038 | Wednesday | September 22, 2038 |
| 2039 | Friday | September 23, 2039 |
| 2040 | Saturday | September 22, 2040 |
| 2041 | Sunday | September 22, 2041 |
| 2042 | Monday | September 22, 2042 |
| 2043 | Wednesday | September 23, 2043 |
| 2044 | Thursday | September 22, 2044 |
| 2045 | Friday | September 22, 2045 |
| 2046 | Saturday | September 22, 2046 |
| 2047 | Monday | September 23, 2047 |
| 2048 | Wednesday | September 23, 2048 |
| 2049 | Thursday | September 23, 2049 |
| 2050 | Friday | September 23, 2050 |
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