Trending cooler for September? Not so fast my friend
BOWLING GREEN, Ky. (WBKO) - Happy Meteorological Fall! While September marks a transition to the autumn season, Mother Nature has other plans for the start of the month.
South-central Kentucky is currently locked in a late-summer heat wave, throwing normal high temperatures out the window as we begin the month of September.

What is “Normal” for September?
Typically, we expect a steady slide into cooler temperatures as the month progresses:
- Early September: Our average high temperature to begin the month is 87 degrees in Bowling Green.
- Late September: By the end of the month, our normal high is 78 degrees.
While cool Septembers are possible—2021 was the last time we went an entire month without hitting 90 degrees—the last few years have brought plenty of late-season heat.
The hot reality to begin September: Heat peaks near 100°
The heat wave certainly peaks this week. Bowling Green can expect high temperatures in the upper 90s and possible 100 degrees on Thursday. Even with a slight cool down over the weekend, highs are still forecast to remain in the middle 90s by Sunday.
Stay hydrated, limit outdoor activities during peak afternoon hours, and keep an eye on the forecast as we wait for fall weather to officially arrive.
DOWNLOAD the WBKO First Alert Weather App for the latest on the forecast. Our app is easy to use and free to download!
Click one of the following links to download the app:
Copyright 2026 WBKO. All rights reserved.















