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.
As the long, scorching days of summer begin to wane and a crisp chill returns to the morning air, many people find themselves asking a simple but essential question: what months are the fall
Comprises the months of March, April, and May. What to Expect Each Month (Northern Hemisphere) September: The Transition Meteorologists define seasons by grouping the 12 calendar
The definition of (or autumn) depends on whether you are looking at the calendar through a scientific or a traditional lens. In the Northern Hemisphere, there are two main ways to mark the season: 1. Meteorological Fall (The Simple Way) As the long, scorching days of summer begin
In this view, fall begins when the environment decides it has arrived.
This is based on the Earth's position relative to the sun, specifically the tilt of the Earth's axis. Late September through late December.