September: Florida is another area where temperatures are uncertain. Above-normal temperatures favored for the first half of ...

That's because this is the steepest angle at which the sun rises and sets during the year. How is an equinox different from a solstice? As with equinoxes, solstices are associated with Earth's tilt, ...

Are you ready for fall? The official arrival of fall is the autumnal equinox, which occurs in the Northern Hemisphere on Monday. After a hot summer, the September equinox marks a welcome shift in the ...

From desert carvings to underwater ruins, these ancient structures are so advanced that experts still can’t agree on what ...

The fall equinox marks the first day of autumn. When does fall officially begin in 2025? This visual guide will help get you ...

We're breaking out the cozy sweaters and warm beverages, because fall is here. Here are some answers to the most common questions about the beginning of the season. The official kickoff time for fall ...

The first day of fall is Monday, September 22, 2025, at 2:19 p.m. Eastern Time. It is the astronomical start of fall in the Northern Hemisphere when day and night are nearly equal. Meteorologists mark ...

You might hear the term "autumn equinox" tossed around Sept. 22 on the first day of fall. But what exactly does that mean? Is it different from a solstice? Yes, actually. They mark seasonal changes ...

This is read by an automated voice. Please report any issues or inconsistencies here. Day and night will get equal time for a brief moment as much of the world heads into fall. The autumnal equinox ...

September's sweater-weather chill and the changing leaf colors are a sign that the first day of fall is here. Here's what to know about the autumnal equinox, fall foliage forecast map for 2025, and ...