Autumn Equinox 2026: Date, time and what it means in astrology

The first day of fall is almost here, bringing shorter days, cooler evenings and the start of a new season across the US. But if you follow astrology, the September equinox also marks an important point in the zodiac calendar. The Autumn Equinox 2026 arrives on Tuesday, September 22, marking the astronomical start of fall in the Northern Hemisphere. | Horoscope