Autumnal Equinox 2025: Celebrating the First Day of Fall
TL;DR Summary
The 2025 autumnal equinox occurs on September 22, marking the start of astronomical autumn in the northern hemisphere, characterized by longer nights and cooler temperatures, while the southern hemisphere experiences spring; this event is due to Earth's axial tilt and the sun crossing the celestial equator.
- Happy autumnal equinox 2025! Fall begins in the northern hemisphere today Space
- When does fall start? All about the 2025 autumnal equinox NBC Connecticut
- When is the first day of fall? What to know as the seasons change Detroit Free Press
- Today’s daily horoscopes: Sept. 22, 2025 AL.com
- Autumn Equinox: Balancing eggs, fairy lore and how to celebrate the first day of fall MLive.com
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