Meteorological fall began on September 1, however for those who stay within the contiguous U.S., you could not have seen the everyday crisp, cool air. That is as a result of the season has been steadily warming for many years. Since 1970, common fall temperatures have risen in each single county within the nation.
On common, fall temperatures at the moment are a exceptional 2.8°F hotter than they have been within the early Nineteen Seventies. This may look like a small quantity, but it surely has important impacts on the environment, from delayed leaf modifications to prolonged allergy seasons. It is a clear sign of our altering local weather, proper in the course of a season we regularly affiliate with cooling down.
You may discover how a lot hotter autumnal temperatures are the place you reside on Local weather Central’s Fall Warming. The map reveals that the Southwest is experiencing a number of the fastest-rising fall temperatures, with many counties in New Mexico and Arizona seeing rises of over 4°F.
You may click on on particular person counties on the interactive map to see the change in common fall temperature (°F) since 1970. For a deeper dive, you’ll be able to obtain a static picture of the map and line charts displaying the typical rise in fall temperatures from Local weather Central’s 2025 2025 Fall Package deal.
