In the Northern Hemisphere, this is what most people refer to when they look at a wall calendar. It is defined by the earth's tilt and its alignment with the sun. Late September, October, November, and December.
This fixed system makes it easier for scientists to track and compare weather data year-over-year. 2. Astronomical Fall what months are the fall
Scientists, weather forecasters, and astronomers actually define the seasons using two different methods. This creates slightly different start and end dates for the autumn season. Meteorological Fall (Based on the Calendar) In the Northern Hemisphere, this is what most
"Leaf peepers" plan trips to New England or the Blue Ridge Mountains based on peak foliage, which usually occurs between late September and mid-October. This fixed system makes it easier for scientists
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.