First Day Of Fall 2024 Usa Calendar. The first day of fall is sunday, september 22, 2024—the same day as the autumn equinox—in the northern hemisphere. The first day of fall this year, also known as the autumnal equinox is sunday, sept.
The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m. According to the farmer’s almanac, the exact time of the autumnal equinox in.