Louisville (KY)
September
Weather in Louisville, Kentucky for September 2027
Your guide to Louisville weather in September - trends and predictions
In general, the average temperature in Louisville at the beginning of September is 31.2 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.5 °C by the end of September.
Louisville experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 236.6 mm.
Is September a good time to visit Louisville? check out the best time to travel to Louisville page.
✨ Is September a good time to visit Louisville? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
29°/17°
Temperatures
13 km/h
Avg max wind
63 %
Avg humidity
Louisville Weather September
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Temperatures trend during September in Louisville
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September weather in Louisville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 33° /18° | 0.2 mm | 7 | |
| Sept. 2 |  Patchy rain possible | 32° /19° | 1.1 mm | 7 | |
| Sept. 3 |  Partly cloudy | 31° /19° | 0.9 mm | 7 | |
| Sept. 4 |  Moderate rain | 32° /21° | 15.7 mm | 7 | |
| Sept. 5 |  Light rain | 33° /20° | 2.7 mm | 7 | |
| Sept. 6 | Light rain | 30° /19° | 8.9 mm | 7 | |
| Sept. 7 | Sunny | 27° /14° | 0.2 mm | 7 | |
| Sept. 8 | Sunny | 28° /13° | 0.4 mm | 7 | |
| Sept. 9 |  Overcast | 29° /16° | 0.3 mm | 7 | |
| Sept. 10 |  Heavy rain | 29° /17° | 70.7 mm | 6 | |
| Sept. 11 | Moderate rain | 29° /18° | 17.4 mm | 6 | |
| Sept. 12 | Patchy rain possible | 29° /19° | 2.3 mm | 6 | |
| Sept. 13 | Light rain | 29° /17° | 2.9 mm | 7 | |
| Sept. 14 | Sunny | 29° /16° | 0.7 mm | 7 | |
| Sept. 15 | Sunny | 31° /17° | 0.1 mm | 7 | |
| Sept. 16 | Overcast | 31° /18° | 0.6 mm | 6 | |
| Sept. 17 |  Patchy light rain with thunder | 30° /18° | 0.9 mm | 7 | |
| Sept. 18 |  Mist | 29° /17° | 0.9 mm | 6 | |
| Sept. 19 | Sunny | 31° /17° | 0.4 mm | 7 | |
| Sept. 20 | Partly cloudy | 32° /20° | 0 mm | 7 | |
| Sept. 21 |  Cloudy | 31° /20° | 0.3 mm | 6 | |
| Sept. 22 | Light rain | 28° /18° | 7.4 mm | 6.8 | |
| Sept. 23 | Light rain | 25° /17° | 4.9 mm | 5 | |
| Sept. 24 | Heavy rain | 25° /17° | 30.6 mm | 5 | |
| Sept. 25 | Fog | 24° /16° | 0 mm | 6 | |
| Sept. 26 | Overcast | 25° /14° | 0.2 mm | 5 | |
| Sept. 27 | Patchy light rain with thunder | 25° /15° | 20.6 mm | 6 | |
| Sept. 28 | Patchy light rain with thunder | 25° /15° | 37.6 mm | 6 | |
| Sept. 29 | Light rain | 27° /15° | 7.6 mm | 6 | |
| Sept. 30 | Mist | 28° /16° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Louisville 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 Louisville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Louisville in September - FAQ
What are the expected maximum and minimum temperatures in Louisville during September?
During September, expect a variety of temperatures with highs around 29° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Louisville during September?
Significant rainfall exceeding 236.6 mm is expected in Louisville during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Louisville during September?
The average wind speed in Louisville during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Louisville
Explore the daily rainfall trends and prepare for Louisvilles September weather 💧
Typically, Louisville has 8 rainy days in September with a total of 236.6 mm of rainfall.
UV exposure in Louisville during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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