Tennessee (Nashville)
September
Weather in Tennessee for September 2025
Your guide to Tennessee weather in September - trends and predictions
In general, the average temperature in Tennessee at the beginning of September is 30 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.7 °F by the end of September.
Tennessee experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 193.8 mm.
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Temperatures
Rain 🌧️
More
5
Dry days
25
Rainy days
0
Snow days
28°/18°
Temperatures
12 km/h
Avg max wind
65 %
Avg humidity
Tennessee in September average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  29° | 2  31° | 3 31° | 4  30° | 5  28° | 6 32° | |
| 7  29° | 8 28° | 9 29° | 10 28° | 11 30° | 12 28° | 13  27° |
| 14 27° | 15 28° | 16 29° | 17 29° | 18  29° | 19 29° | 20 31° |
| 21 32° | 22 29° | 23 27° | 24 29° | 25 26° | 26 26° | 27 27° |
| 28 25° | 29 27° | 30 27° |
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Temperatures trend during September in Tennessee
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Overcast | 29° /18° | 1.8 mm | 7 | |
| Sept. 2 | Sunny | 31° /19° | 0.1 mm | 7 | |
| Sept. 3 | Sunny | 31° /18° | 7.3 mm | 7 | |
| Sept. 4 | Partly cloudy | 30° /21° | 3.8 mm | 7 | |
| Sept. 5 | Moderate or heavy rain shower | 28° /21° | 5.8 mm | 7 | |
| Sept. 6 | Partly cloudy | 32° /20° | 0.9 mm | 8 | |
| Sept. 7 | Cloudy | 29° /17° | 0.2 mm | 7 | |
| Sept. 8 | Sunny | 28° /15° | 0.1 mm | 7 | |
| Sept. 9 | Sunny | 29° /15° | 0.1 mm | 7 | |
| Sept. 10 | Sunny | 28° /17° | 1.5 mm | 7 | |
| Sept. 11 | Sunny | 30° /18° | 3.7 mm | 8 | |
| Sept. 12 | Sunny | 28° /17° | 6.5 mm | 7 | |
| Sept. 13 | Patchy rain possible | 27° /17° | 4.3 mm | 6 | |
| Sept. 14 | Moderate rain at times | 27° /16° | 3.2 mm | 6 | |
| Sept. 15 | Sunny | 28° /16° | 3.5 mm | 7 | |
| Sept. 16 | Patchy rain possible | 29° /17° | 1.1 mm | 7 | |
| Sept. 17 | Sunny | 29° /17° | 5 mm | 7 | |
| Sept. 18 | Heavy rain at times | 29° /17° | 4.6 mm | 7 | |
| Sept. 19 | Moderate or heavy rain shower | 29° /19° | 5.5 mm | 7 | |
| Sept. 20 | Moderate or heavy rain shower | 31° /19° | 6.5 mm | 7 | |
| Sept. 21 | Moderate or heavy rain shower | 32° /21° | 3.2 mm | 7 | |
| Sept. 22 | Partly cloudy | 29° /18° | 3.1 mm | 7 | |
| Sept. 23 | Sunny | 27° /15° | 1.1 mm | 7 | |
| Sept. 24 | Sunny | 29° /15° | 12.5 mm | 7 | |
| Sept. 25 | Patchy rain possible | 26° /16° | 4.7 mm | 6 | |
| Sept. 26 | Sunny | 26° /15° | 5.3 mm | 7 | |
| Sept. 27 | Sunny | 27° /15° | 71.8 mm | 7 | |
| Sept. 28 | Sunny | 25° /15° | 22.5 mm | 6 | |
| Sept. 29 | Sunny | 27° /15° | 1.2 mm | 7 | |
| Sept. 30 | Cloudy | 27° /16° | 2.9 mm | 6 | |
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Important Notice
Our weather forecast for Tennessee 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 Tennessee forecast closer to your planned date for the most up-to-date weather information.
Tennessee in September - FAQ
What are the expected maximum and minimum temperatures in Tennessee during September?
During September, expect a variety of temperatures with highs around 28° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Tennessee during September?
Significant rainfall exceeding 193.8 mm is expected in Tennessee during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Tennessee during September?
The average wind speed in Tennessee during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Tennessee
Explore the daily rainfall trends and prepare for Tennessees September weather 💧
UV exposure in Tennessee during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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