Americans call this season "Fall." It is arguably the most beautiful season in the US due to the changing colors of the leaves.
Frequent "Nor'easters" and lake-effect snow can dump feet of snow in 24 hours. us seasons
Deciduous trees across the Northern U.S. change color as daylight hours decrease. The autumnal equinox marks the official start, usually around September 22nd. Americans call this season "Fall