Weather in Montgomery County, Tennessee for September 2025
Until now, September 2025 in Montgomery County is cooler than usual, with temperatures averaging 26.5 °F, this is -2.3 °F below the typical seasonal average.
The forecast for the coming days of September 2025 predicts a temperature of 32.7 °F , which is warmer than usual.
In general, the average temperature in Montgomery County at the beginning of September is 29.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.6 °F by the end of September.
The climate of Montgomery County in September is notably wet, with an average of 14 rainy days, and a total of 209.8 mm of precipitation.
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Montgomery County Weather September
Temperatures trend during September in Montgomery County
September weather in Montgomery County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 28° /16° | 2 mm | 6 | |
| Sept. 2 |  Cloudy | 30° /17° | 3.1 mm | 7 | |
| Sept. 3 |  Fog | 29° /16° | 5.3 mm | 6 | |
| Sept. 4 |  Partly cloudy | 29° /20° | 3.7 mm | 7 | |
| Sept. 5 |  Moderate or heavy rain shower | 31° /19° | 30.4 mm | 7 | |
| Sept. 6 |  Patchy light rain with thunder | 30° /17° | 22.9 mm | 7 | |
| Sept. 7 |  Sunny | 27° /13° | 0.7 mm | 7 | |
| Sept. 8 | Sunny | 26° /10° | 0 mm | 6 | |
| Sept. 9 | Overcast | 28° /12° | 0 mm | 6 | |
| Sept. 10 | Mist | 30° /14° | 0 mm | 7 | |
| Sept. 11 | Cloudy | 31° /17° | 0 mm | 7 | |
| Sept. 12 |  Moderate rain | 27° /17° | 10.4 mm | 6 | |
| Sept. 13 | Fog | 28° /15° | 3.1 mm | 6 | |
| Sept. 14 | Overcast | 26° /16° | 6 mm | 6 | |
| Sept. 15 | Cloudy | 32° /18° | 0 mm | 1.5 | |
| Sept. 16 | Partly cloudy | 32° /18° | 0 mm | 1 | |
| Sept. 17 | Sunny | 32° /17° | 0 mm | 1.6 | |
| Sept. 18 | Sunny | 34° /18° | 0 mm | 1.6 | |
| Sept. 19 | Sunny | 35° /19° | 0 mm | 0 | |
| Sept. 20 |  Patchy rain possible | 34° /19° | 0.6 mm | 6 | |
| Sept. 21 | Patchy rain possible | 33° /20° | 0.2 mm | 6 | |
| Sept. 22 | Patchy rain possible | 31° /17° | 0.8 mm | 5 | |
| Sept. 23 | Patchy rain possible | 35° /19° | 0.1 mm | 6 | |
| Sept. 24 | Sunny | 37° /20° | 0 mm | 7 | |
| Sept. 25 | Sunny | 34° /19° | 0 mm | 7 | |
| Sept. 26 | Overcast | 32° /19° | 0 mm | 5 | |
| Sept. 27 | Patchy rain possible | 27° /20° | 4 mm | 5 | |
| Sept. 28 | Partly cloudy | 30° /18° | 0 mm | 6 | |
| Sept. 29 | Moderate rain at times | 26° /17° | 2.6 mm | 6 | |
| Sept. 30 | Fog | 28° /17° | 0.6 mm | 6 | |
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Montgomery County in September - FAQ
September rainfall patterns in Montgomery County
UV exposure in Montgomery County during September
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Where is Montgomery County?Get accurate weather forecasts for Montgomery County, located at latitude 36.53 and longitude -87.359. Stay updated with localized weather information tailored for Montgomery County.