Scientists and calendar makers divide the year using two distinct methodologies. This creates different start and end dates for the autumn season. 1. Meteorological Fall (The Calendar System)
Fall begins around September 22 or 23 and ends on the winter solstice, around December 21 or 22 .
Defining the Calendar Period of the Fall Season
In the Northern Hemisphere, fall (autumn) typically spans . fall is which month
Fall lasts exactly three months, beginning September 1 and ending November 30 . Southern Hemisphere: Fall covers March 1 through May 31 . 2. Astronomical Fall (The Solar System)
Meteorologists divide the year into four neat, three-month blocks based on civil calendar months and annual temperature cycles. This system allows climatologists to maintain consistent data records from year to year.
The seasons are reversed south of the equator. Fall in the Southern Hemisphere corresponds to: Scientists and calendar makers divide the year using
whispers, soft and low,Setting the quiet woods aglow.The harvest moon, a heavy crest,Invites the weary earth to rest.
Because Earth’s orbit takes roughly 365.25 days, the astronomical start date shifts slightly each year:
foliage peak dates for your specific region? AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 9 sites Autumn - Wikipedia Table_title: Autumn Table_content: header: | Temperate season | | row: | Temperate season: Leaves often turn orange and fall from ... Wikipedia Meteorological fall begins Sept. 1, astronomical fall starts ... - WLTX Sep 2, 2025 — Meteorological Fall (The Calendar System) Fall begins around
In the Southern Hemisphere (such as in Australia and parts of South America), the seasons are reversed. Fall occurs during:
brings a graying light,As shorter days give way to night.The skeletal trees stand tall and bare,With winter's promise in the air.