What Months Are The Fall Access
Knowing exactly which months constitute fall is not just trivia. It has practical applications for your life:
The answer depends on whether you're following the meteorological definition (based on annual temperature cycles) or the astronomical definition (based on Earth's position relative to the sun). Here’s the breakdown:
1. Meteorological Fall (Used for climate records and forecasting)
2. Astronomical Fall (Based on equinoxes and solstices)
Quick Summary Table (Northern Hemisphere) what months are the fall
| Definition | Fall Months | | :--- | :--- | | Meteorological | September, October, November | | Astronomical | Late September – Late December (exact dates vary) |
Which one should you use?
🍂 Tip: In the Southern Hemisphere, fall (called autumn) occurs during March, April, and May for both definitions.
So whether you’re chasing pumpkin spice or tracking equinoxes, now you know exactly when fall arrives. Knowing exactly which months constitute fall is not
In the Northern Hemisphere, fall (or autumn) is primarily identified as the months of September, October, and November
. However, the exact timeframe depends on whether you are using a meteorological or astronomical definition. Seasonal Definition Report 1. Meteorological Fall
Meteorologists define seasons by grouping the 12 calendar months into four 3-month periods based on the annual temperature cycle. Northern Hemisphere: September 1 to November 30. Southern Hemisphere: March 1 to May 31.
This fixed system makes it easier for scientists to track and compare weather data year-over-year. 2. Astronomical Fall Quick Summary Table (Northern Hemisphere) | Definition |
Astronomical seasons are based on the Earth's position relative to the sun and are the dates typically seen on most calendars.
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
: 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
(Includes Australia, New Zealand, South Africa, and South America)
It is important to note that seasons are reversed south of the equator.