Add Yahoo as a preferred source to see more of our stories on Google. SIOUX CITY, Iowa (KCAU) — This Sunday, September 1st marks the beginning of meteorological Fall! However, astronomical Fall for ...

What’s the difference between the two, and what is the reasoning for a different system? The most familiar to us is ...

WASHINGTON — When does fall begin? Well, it depends on which fall you are talking about. There is “meteorological” fall and “astronomical” fall, but the two are very different concepts with different ...

August 31st marked the end of meteorological summer then meteorological fall started on September 1st. According to astronomical seasons, we are still in summer until September 22nd. Confusing? Let's ...

NORFOLK, Va. — Every September 1, meteorologists celebrate the beginning of meteorological fall. Astronomical fall is the one that you're probably used to hearing about. That season starts on ...

The 2026 vernal equinox is March 20 at 10:46 a.m. EDT, marking the astronomical start of spring with nearly equal amounts of ...

(WHTM) — Fall is right around the corner and many people often see the middle of September as the beginning of the fall season. But, did you know it also started on Sept. 1? No, you didn’t read that ...

Spring arrives this weekend, coinciding with the vernal equinox across West Texas, marking the official astronomical start of ...

You may have noticed that meteorologists and climatologists define seasons differently from “regular” or astronomical spring, summer, fall, and winter. So, why do meteorological and astronomical ...