First Day Of Fall 2025 Countdown Pdf. — first day of fall 2025 the 2025 autumnal equinox happens at 8:43 a.m. The first day of fall this year, also known as the autumnal equinox is sunday, sept.
— the first day of fall in 2025. Here are facts about the season, including when fall starts, when it ends and why it doesn’t start on the same day every year.