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  1. Autumn - Wikipedia

    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 …

  2. Autumn | Definition, Characteristics, & Facts | Britannica

    May 20, 2026 · Autumn, or fall, season of the year between summer and winter during which temperatures gradually decrease. The autumn temperature transition between summer heat and …

  3. Autumn: History, Celebration and Scientific Facts - Calendarr

    Autumn or Fall is the third season of the year that arrives after summer and continues until winter. The season is marked by shorter days, lower temperatures, and falling leaves.

  4. Seasons and Dates in the US: A Complete Guide to Weather Changes …

    Jun 6, 2025 · The United States experiences four distinct seasons every year: spring, summer, fall (autumn), and winter. These seasons not only bring unique weather patterns but also influence …

  5. AUTUMN Definition & Meaning - Merriam-Webster

    4 days ago · The meaning of AUTUMN is the season between summer and winter comprising in the northern hemisphere usually the months of September, October, and November or as reckoned …

  6. When is the First Day of Fall? Autumnal Equinox 2026

    Dec 9, 2025 · The autumnal equinox is an astronomical event that marks the start of autumn (or fall). In the Northern Hemisphere, the autumnal equinox occurs in September; in the Southern Hemisphere, …

  7. Has autumn started already? Everything you need to know about the ...

    Sep 1, 2025 · Autumn is a vibrant season of colour, woodland stomps and hot chocolates. But when does autumn start? And what are the first signs to look for?

  8. Autumn - Simple English Wikipedia, the free encyclopedia

    Autumn is the season after summer and before winter. In the United States and Canada, this season is also called fall. In the Northern Hemisphere, it is often said to begin with the autumnal equinox in …

  9. Why Do Leaves Fall in Autumn? | Britannica

    In many places around the world, autumn is marked by the slow, beautiful change of green foliage to vibrant reds, oranges, yellows, and purples. Green leaves appear green because of the presence of …

  10. Fall And Autumn: They Don't Mean The Same Thing | Weather.com

    Sep 4, 2024 · 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...