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 2023?

Autumn equinox 2022: Here's when fall officially begins

My Best Friend's Journal on Apple Podcasts

When Does Autumn Begin?

5 Places to See Spectacular Foliage This Fall - The New York Times

Fall 2024 – When Is Fall?

How climate change is affecting the seasons

Enviroment - ScienceNordic

When does fall start? This is the date when 2023 autumn equinox falls.