What Time Does Autumn Start In 2025. Fall begins with the autumnal equinox, monday, september 22, 2025, 2:19 p.m. The winter solstice is a key point in the astronomical calendar and marks the change from autumn to winter.

Find out the date when autumn (or fall) is in 2025 and count down the days until autumn (or fall) with a countdown timer. On september 7, 2025, the second and last lunar eclipse will take place.