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 September (Northern Hemisphere) or March (Southern Hemisphere). Autumn is the season when the duration of daytime becomes noticeably shorter and the temperature cools considerably. Day length decreases and ...

In 2026, the autumnal (fall) equinox arrives on Tuesday, September 22. Here's everything you should know about the first day of fall—plus our favorite fall facts, folklore, photos, and more!

As temperatures cool and days grow shorter in temperate regions, Fall (also known as Autumn) brings colorful foliage, harvest celebrations, and the transition from summer warmth to winter chill. From leaf-peeping adventures to pumpkin picking, Fall offers unique experiences and natural phenomena.

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 September (Northern Hemisphere) or March (Southern Hemisphere).

Fall and autumn are often used interchangeably to describe the third season of the year. But did you know there's a difference in their original meanings? "F all" is about leaves tumbling from...