Add Yahoo as a preferred source to see more of our stories on Google. September's (sporadic) sweater weather chill and the changing leaf colors are a sign that the first day of fall is near. Here's ...

The first day of the Northern Hemisphere's seasons correspond with the Earth's tilt toward or away from the sun. Fall starts at 9 p.m. ET Thursday, a day officially known as the autumn equinox. Both ...

Fall does not begin when the air turns crisp or when pumpkin spice shows up. It begins at a precise moment in space. In 2025, that moment lands on Monday, September 22, when the center of the Sun ...

September's (sporadic) sweater weather chill and the changing leaf colors are a sign that the first day of fall is near. Here's what to know about the autumnal equinox and fall foliage forecast map ...