Florida September 21, 2022 8:00 am 12 Hours of Days Then Nights – Autumn Equinox Explained This year, the Autumnal Equinox falls on Sept. 22. US & World Videos 2:19 Witness speaks on boating crash that killed girl in Biscayne Bay 0:25 Jets touch wings during Fort Lauderdale Air Show 1:03 Baby gator cools off in Palm Beach Gardens fountain 0:24 Fatal Miami Beach shooting outside club 1:17 Mother's Day forecast