Autumn, also known as Fall in North American English, [1] is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, beginning in …

Feb 27, 2026 · autumn, season of the year between summer and winter during which temperatures gradually decrease. It is often called fall in the United States because leaves fall from the trees at …

In American English, autumn is referred to as the fall.

Sep 4, 2024 · "A utumn" has a longer history: It was first used in the 1300s and has its roots from the Latin word "autumnus". Autumn then replaced the word harvest to describe the time between …

Facts about autumn - fall, autumn equinox, dates and changes in weather and length of day.

Jul 7, 2025 · Definition 1: The third season of the year, falling between summer and winter, typically observed in the Northern Hemisphere from September to November and characterized by the …

It will begin on September 22 and last until December 21 in the Northern Hemisphere this year. In the Southern Hemisphere, it starts on March 20. Fall is a more commonly used word in the United States …