According to the astronomical calendar, which is followed by the vast majority of the United States, Fall (Autumn) officially begins with the (typically September 22nd or 23rd) and ends with the Winter Solstice (typically December 21st or 22nd). Therefore, the months of Fall are technically:
In the Northeast and Midwest, colors often peak in October. In the South, leaves change later, sometimes as late as November. Many... Smiles Mobile Remittance Fall 2026 | Event Information | Twinkl USA * Autumn, also known as "fall" in North America, is one of the four seasons. It occurs between the warm summer and the cold winter... Twinkl Show all Definition Start Date End Date Focus Meteorological September 1 November 30 Temperature cycles and the Gregorian calendar Astronomical ~September 22/23 ~December 21/22 Earth's position relative to the sun (equinox/solstice) Common Fall Traditions Labor Day what are the fall months in usa
There are two primary ways to define the "fall months" in the U.S.: According to the astronomical calendar, which is followed
This is based on the annual temperature cycle and the 12-month calendar. For record-keeping purposes, meteorologists define fall as the three-month period of September, October, and November . This fixed schedule makes it easier to compare climate statistics from year to year. Twinkl Show all Definition Start Date End Date
This follows the Earth's position relative to the sun. The start date varies slightly each year (between September 21–24).
September acts as the soft opener to the season. It is a month of duality, where the legal end of summer (Labor Day, the first Monday in September) signals a societal shift, even if the temperatures remain high.
Meteorologists and climatologists divide the year into three-month seasons based on annual temperature cycles for consistent record-keeping.