When Is The First Day Of Fall 2024 In Texas. The first day of fall is sunday, september 22, 2024—the same day as the autumn equinox—in the northern hemisphere. According to the farmer's almanac, the exact time of the autumnal equinox in the northern hemisphere.

Autumn is finally here, and it will look and feel like fall in texas. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.