Fall Equinox 2024 Date. In 2024, the fall equinox will be sunday, september 22, according to almanac.com. The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m.
The first day of fall is sunday, september 22, 2024—the same day as the autumn equinox—in the northern hemisphere. The equinox in the northern hemisphere occurs twice a year around 20 march (the spring equinox) and around 22 september (the autumn equinox).