There is no single "wrong" answer—only context-dependent definitions.
, the arrival of autumn (commonly called ) is determined by two different calendars and a series of deep-rooted cultural traditions. When Fall Officially Starts (2026) when is autumn in america
For most practical purposes in America:
Because the U.S. spans a vast geographic area, the "feeling" of autumn—cooler air and changing colors—arrives at different times depending on where you are. New England and the Northeast specifically the equinoxes and solstices.
Most Americans recognize the change of seasons based on the Earth's position relative to the sun, specifically the equinoxes and solstices. when is autumn in america