Tomorrow, September 22nd, is the official first day of fall! Also referred to as the autumnal equinox, the September equinox, or the fall equinox - this date marks the start of fall in the Northern Hemisphere and spring in the Southern Hemisphere. 🍂 Leaves floating on water, United States, November 1953. (📷 Allan Grant/LIFE Picture Collection) #LIFEMagazine #AllanGrant #Nature #1950s #UnitedStates #Autumn