The question "What months are fall?" seems simple, but the answer reveals a fascinating split between how we measure the world through astronomy, how we organize our lives through meteorology, and how different cultures experience the season. There isn't one single, universal answer; instead, fall occupies two distinct sets of months depending on the definition used.
The months considered "fall" (or autumn) depend on whether you are using a meteorological astronomical calendar, as well as which hemisphere you are in. Fall in the Northern Hemisphere (Includes the USA, Canada, Europe, and most of Asia) Meteorological Fall
Nature: Many animals begin their migration or prepare for hibernation during these specific months as the daylight hours dwindle. Summary: When is Fall?
Meteorologists and climatologists prefer to break the seasons into neat, three-month blocks based on the temperature cycle and the Gregorian calendar. This makes record-keeping and forecasting much simpler. Start Date: September 1. End Date: November 30. The "Fall Months": September, October, and November.
Culturally, the "months of fall" are also tied to human behavior. In the United States, many people view the season through the lens of holidays.
: Consists of three full calendar months to make record-keeping easier. September, October, and November Astronomical Fall : Based on the Earth's tilt and orbit around the sun. Autumnal Equinox (typically September 22 or 23 Winter Solstice (typically December 21 or 22 The New York Times Fall in the Southern Hemisphere
According to this definition: