What Month Is Fall 2025. I f you are in the eastern time zone, then fall officially begins at 8:43 a.m., local time. In 2025, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.
Here are the equinox and solstice dates—plus, answers to common questions about the. The first day of fall in 2025 is sunday, sept.
