When Is First Day Of Fall 2024 In Usa Dates. In 2024, this happens on september 22, at 12:44 gmt (08:44 a.m. This year the autumn will start on sunday september 22, 2024 (day of the fall equinox) and will end on saturday december 21, 2024 with the winter solstice.

When is the first day of fall 2024? What is the exact time of the start of fall in 2024?