Generally, , though the precise start and end dates depend on whether you follow the calendar (astronomical) or the weather patterns (meteorological).
Meteorologists and climatologists created this definition for practical reasons: consistent data recording. Astronomical seasons have variable start dates and lengths, making it difficult to compare monthly climate statistics (e.g., "average September temperature") from one year to the next. Therefore, they align the seasons with the calendar months and the annual temperature cycle.
For most everyday purposes—planning a trip, knowing when to put away summer clothes, or anticipating leaf-peeping season—meteorological fall is the most useful answer to “what months are the fall?” what months are the fall
It’s easy to forget that while the Northern Hemisphere is preparing for pumpkins, the Southern Hemisphere is preparing for peonies. Because the Earth is tilted, the seasons are reversed.
Fall foliage tourism is a multi-billion dollar industry. Peak colors occur at different times depending on latitude and elevation. In the US Northeast, for example: Generally, , though the precise start and end
In many places, September is a blend of summer warmth and fall crispness. Early September still feels like summer, but as the equinox approaches (roughly the 22nd–23rd), temperatures drop, leaves begin to change in northern climates, and the days shorten rapidly. October: Peak Autumn
Let's address some frequently asked questions and misunderstandings about : Therefore, they align the seasons with the calendar
Science gives us the months, but culture tells us when fall actually arrives. Depending on where you live, the answer to "what months are the fall" might shift by a few weeks.
Seasonality is not uniform across all ecosystems. Cultural traditions and local climates dictate how people perceive the fall months globally.
Begins around September 21–23 and ends around December 20–22 .
If you need a quick, universal answer to the question, "What months are the fall?" for most of the Northern Hemisphere, the answer is: