Published: Sept. 22, 2021

Photo of the fall colors aspen and evergreen trees in the mountains

Brisk mornings, warm days, cool nights - feels like fall!

Today is the autumnal equinox andÌýthe Sun is directly over Earth's equator, making day andÌýnight approximately equal in length (equinox comes from the Latin aequus (equal) andÌýnox (night).