Fall 2024 Months In Usa. Usa federal holidays for year 2024. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.

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. Fall intake in the usa: