When does autumn actually begin?

If you ask a meteorologist, autumn sets in when the average temperature drops below 10 degrees Celsius.

When is the first day of fall this year? What to know about the autumn equinox

Fall equinox: Why the first day of fall isn't as equal as you might think

Enviroment - ScienceNordic

Autumnal equinox 2023: When is it and what does it mean? – NBC New York

Joju Solar on X: When does #Autumn actually start? 1st September? 1st October? Some even say 1st August! Here's our view. #AutumnIsComing / X

When Does Fall Start? Autumn Equinox Signals Season's Beginning

Tag: environment

Why fall season should actually begin on September 1

What months does each season fall under in the United States? - Quora