Autumn Equinox 2025 Date Uk. The earth is tilted on its axis. The 2025 autumnal equinox will occur on september 22, 2025, at 14:21 utc (coordinated universal time).
Find out the date when september equinox is in 2025 and count down the days until september equinox with a countdown timer. Autumn equinox 2025 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the.