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 31 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.4 °F by the end of September.
Tennessee sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
30°/18°
Temperatures
12 km/h
Avg max wind
58 %
Avg humidity
Tennessee in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 32° | 3  32° | 4  32° | 5  30° | 6  34° | 7 28° |
| 8 27° | 9  29° | 10 31° | 11 32° | 12 26° | 13 25° | 14 25° |
| 15  30° | 16 29° | 17 30° | 18 28° | 19 29° | 20 32° | 21 32° |
| 22 33° | 23 31° | 24 30° | 25 25° | 26 26° | 27 26° | 28 24° |
| 29 26° | 30 28° |
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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° | 3.6 mm | 7 | |
| Sept. 2 | Overcast | 32° /20° | 0 mm | 7 | |
| Sept. 3 | Mist | 32° /18° | 0.1 mm | 7 | |
| Sept. 4 | Cloudy | 32° /22° | 0 mm | 8 | |
| Sept. 5 | Patchy rain possible | 30° /22° | 0.4 mm | 7 | |
| Sept. 6 | Thundery outbreaks possible | 34° /20° | 1 mm | 8 | |
| Sept. 7 | Overcast | 28° /16° | 0.2 mm | 7 | |
| Sept. 8 | Mist | 27° /14° | 0 mm | 7 | |
| Sept. 9 | Partly cloudy | 29° /15° | 0 mm | 7 | |
| Sept. 10 | Cloudy | 31° /17° | 0.1 mm | 8 | |
| Sept. 11 | Partly cloudy | 32° /20° | 0 mm | 8 | |
| Sept. 12 | Cloudy | 26° /17° | 12.9 mm | 6 | |
| Sept. 13 | Overcast | 25° /18° | 8.5 mm | 6 | |
| Sept. 14 | Overcast | 25° /16° | 5.5 mm | 6 | |
| Sept. 15 | Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 16 | Patchy rain possible | 29° /17° | 2 mm | 7 | |
| Sept. 17 | Mist | 30° /17° | 0.1 mm | 7 | |
| Sept. 18 | Cloudy | 28° /16° | 0 mm | 6 | |
| Sept. 19 | Overcast | 29° /18° | 0 mm | 7 | |
| Sept. 20 | Overcast | 32° /18° | 0 mm | 8 | |
| Sept. 21 | Cloudy | 32° /21° | 0 mm | 7 | |
| Sept. 22 | Partly cloudy | 33° /21° | 0 mm | 9 | |
| Sept. 23 | Sunny | 31° /20° | 2.2 mm | 8 | |
| Sept. 24 | Overcast | 30° /18° | 24.5 mm | 7 | |
| Sept. 25 | Overcast | 25° /17° | 3.6 mm | 6 | |
| Sept. 26 | Patchy rain possible | 26° /17° | 10.5 mm | 6 | |
| Sept. 27 | Thundery outbreaks possible | 26° /18° | 143.6 mm | 6 | |
| Sept. 28 | Thundery outbreaks possible | 24° /17° | 45.1 mm | 6 | |
| Sept. 29 | Overcast | 26° /17° | 2.5 mm | 6 | |
| Sept. 30 | Mist | 28° /18° | 5.8 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?
Expect warm days with temperatures around 30°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Tennessee during September?
In September, Tennessee can expect light to moderate rainfall, totaling 20.2 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
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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