Editorial photo #12786689 Weather
Autumn Equinox 2025 In Mexico
A person walks their dog on Cerro de la Estrella in Mexico City. The autumnal equinox occurs in the Northern Hemisphere at 12:19 p.m. (Central Mexico Time), a time when day and night lengths are almost the same across the planet. This astronomical phenomenon marks the end of summer and the arrival of autumn in Mexico and much of the world on September 22, 2025. (Photo by Gerardo Vieyra/NurPhoto)