First Day Of Fall 20204 2025

First Day Of Fall 20204 2025. The autumnal equinox, or the first day of fall in the northern hemisphere takes place every year on september 22nd or september 23rd. Autumn 2025 starts on monday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the earth's axis.

The autumn period spans the following 4 months: The first day of fall in the northern hemisphere is sunday, sept.