You may have been enjoying your pumpkin spice for a while, but fall officially starts Monday in the Northern Hemisphere.
The autumnal equinox arrives at 3:19 p.m. Atlantic Time.
According to the National Research Council, autumn starts when the sun is directly over the equator, going from north to south.
September 22nd marks the beginning of spring in the Southern Hemisphere.
The Fall/Autumnal Equinox is TODAY at 2:19 PM EDT. That's the time at which our Sun is directly over the Earth's equator, signaling the start of the Northern Hemisphere's astronomical fall. The Earth’s northern hemisphere will continue to tilt further from the sun through the… pic.twitter.com/rjjzRHglrr
— National Weather Service (@NWS) September 22, 2025








