2010-2014
In the Southern Hemisphere (Australia, South Africa, most of South America), the seasons are reversed. Therefore,
If you live south of the equator, the seasons are completely reversed. For the Southern Hemisphere, fall takes place during: April
During the autumnal equinox, the sun shines directly on the equator, making day and night nearly equal in length all over the world. After this date, nights become progressively longer than days until the winter solstice. Month-by-Month Breakdown (Northern Hemisphere)
For everyday life, planning a trip to see the leaves, or talking about pumpkin spice season, the answer is clear: what months are the fall
The shift from summer warmth to crisp, cooler air.
The astronomical seasons are based on the position of the Earth in relation to the sun, specifically the equinoxes and solstices. The Autumnal Equinox (September 21–24) End Date: The Winter Solstice (December 20–23)
Meteorologists and climatologists divide the year into four seasons based on the annual temperature cycle and the calendar months. This system is designed to simplify record-keeping, weather forecasting, and climate data analysis. In the Southern Hemisphere (Australia, South Africa, most
In the Northern Hemisphere, astronomical fall runs from the to the December solstice . This means fall generally occupies the end of September, all of October and November, and the first three weeks of December.
2. The Southern Hemisphere (Australia, New Zealand, South Africa)
| Month | Astronomical Fall | Meteorological Fall | | :--- | :--- | :--- | | | Starts Sept 22/23 | ✅ Full month | | October | ✅ Full month | ✅ Full month | | November | ✅ Full month | ✅ Full month | | December | Until Dec 21/22 | ❌ (Winter starts Dec 1) | After this date, nights become progressively longer than
Regardless of which specific day the equinox lands on, certain biological and cultural events signal the arrival of fall within those months.
When exactly is fall? While the leaves changing color is a gradual process, defining the autumn season depends on whether you are looking at the calendar, the weather, or nature itself.
As days grow shorter and temperatures drop, trees stop producing chlorophyll (the green pigment that helps them make food). This reveals the vibrant underlying colors of the leaves, creating stunning autumn landscapes.
The season uniquely carries two widely accepted names in the English language.
