Start Of Fall 2025. In 2025, the autumnal (fall) equinox arrives on monday, september 22, marking the official first day of fall. How many days until autumn (or fall) 2025?

January 1, 2025 new years day january 6, 2025 new student orientation january 7, 2025 new student orientation january 8, 2025 start of classes (1st day) january 15, 2025. 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.