When Will The Fall Equinox Happen 2024. Then, in september, nature will once again bring us the autumnal equinox,. When is the first day of fall 2024?

The first day of fall in the northern hemisphere is sunday, sept. The northern hemisphere blew by the longest day of the year with june’s summer solstice and is now coming up to the fall equinox on september 22, 2020 —the day when the.