Kentucky (Louisville)
September
Weather in Kentucky for September 2025
Your guide to Kentucky weather in September - trends and predictions
Until now, September 2025 in Kentucky is cooler than usual, with temperatures averaging 26 °F, this is -2.8 °F below the typical seasonal average.
The forecast for the upcoming days in Kentucky predicts a temperature of 32.1 °F, which is slightly above the historical average.
In general, the average temperature in Kentucky at the beginning of September is 29.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.4 °F by the end of September.
Kentucky experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 170.8 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
28°/16°
Temperatures
13 km/h
Avg max wind
61 %
Avg humidity
Kentucky Weather September
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What’s the Weather Like in Kentucky This September?
Discover the average temperatures and weather trends across Kentucky’s cities this September.
Temperatures trend during September in Kentucky
See the weather trend as well as the moving average line
September weather in Kentucky day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 31° /16° | 0.2 mm | 7 | |
| Sept. 2 |  Mist | 30° /17° | 1.5 mm | 7 | |
| Sept. 3 |  Partly cloudy | 29° /17° | 1.2 mm | 6 | |
| Sept. 4 | Partly cloudy | 29° /19° | 20.9 mm | 7 | |
| Sept. 5 |  Overcast | 31° /18° | 3.5 mm | 7 | |
| Sept. 6 |  Light rain shower | 29° /17° | 11.9 mm | 6 | |
| Sept. 7 | Overcast | 25° /12° | 0.3 mm | 6 | |
| Sept. 8 | Sunny | 26° /10° | 0.5 mm | 6 | |
| Sept. 9 | Overcast | 27° /13° | 0 mm | 6 | |
| Sept. 10 | Partly cloudy | 30° /15° | 0 mm | 7 | |
| Sept. 11 | Mist | 30° /16° | 0 mm | 7 | |
| Sept. 12 | Overcast | 29° /17° | 0 mm | 7 | |
| Sept. 13 | Mist | 28° /15° | 3.4 mm | 7 | |
| Sept. 14 | Sunny | 29° /16° | 0.9 mm | 7 | |
| Sept. 15 | Partly cloudy | 35° /22° | 0 mm | 1.6 | |
| Sept. 16 | Partly cloudy | 31° /20° | 0 mm | 1.4 | |
| Sept. 17 | Sunny | 27° /19° | 0 mm | 1.6 | |
| Sept. 18 | Sunny | 33° /19° | 0 mm | 1.6 | |
| Sept. 19 | Sunny | 34° /20° | 0 mm | 0 | |
| Sept. 20 | Sunny | 34° /20° | 0 mm | 7 | |
| Sept. 21 | Patchy rain possible | 33° /22° | 0.6 mm | 6 | |
| Sept. 22 | Patchy rain possible | 27° /18° | 0.6 mm | 5 | |
| Sept. 23 | Sunny | 34° /22° | 0 mm | 7 | |
| Sept. 24 | Sunny | 32° /20° | 0 mm | 7 | |
| Sept. 25 | Sunny | 33° /17° | 0 mm | 6 | |
| Sept. 26 | Sunny | 33° /19° | 0 mm | 7 | |
| Sept. 27 | Sunny | 32° /20° | 0 mm | 7 | |
| Sept. 28 | Sunny | 32° /20° | 0 mm | 7 | |
| Sept. 29 | Mist | 25° /15° | 15.1 mm | 6 | |
| Sept. 30 | Mist | 26° /15° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Kentucky in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kentucky forecast closer to your planned date for the most up-to-date weather information.
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Kentucky in September - FAQ
What are the expected maximum and minimum temperatures in Kentucky during September?
During September, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kentucky during September?
Significant rainfall exceeding 170.8 mm is expected in Kentucky during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kentucky during September?
The average wind speed in Kentucky during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kentucky
Explore the daily rainfall trends and prepare for Kentuckys September weather 💧
UV exposure in Kentucky during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Counties in Kentucky
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