#Fall #Autumn #AutumnalEquinox #3I/Atlas
Fall Autumnal Equinox September 22nd The official beginning of Fall happens with the Autumnal Equinox, which this year officially falls (pun intended) on Monday, September 22, 2025. Per AI, the Autumnal Equinox in Arizona will occur on Monday, September 22, 2025, at 9:19 a.m. MST, which is 11:19