Weather in Plano, Texas for September 2025
Meteorological - Air Quality Alert - See hour by hour.
Until now, September 2025 in Plano is slightly cooler than the historical average by -1 °F.
The forecast for the next days in Plano predicts temperatures to be around 35 °F, close to the historical average.
In general, the average temperature in Plano at the beginning of September is 34 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 34 °F by the end of September.
The climate of Plano in September is notably wet, with an average of 11 rainy days, and a total of 63.6 mm of precipitation.
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Plano Weather September
Temperatures trend during September in Plano
September weather in Plano day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 34° /22° | 0.5 mm | 8 | |
| Sept. 2 |  Cloudy | 34° /23° | 4.6 mm | 7 | |
| Sept. 3 |  Thundery outbreaks possible | 33° /23° | 2.7 mm | 7 | |
| Sept. 4 |  Sunny | 34° /23° | 1.2 mm | 8 | |
| Sept. 5 | Partly cloudy | 36° /24° | 0.5 mm | 8 | |
| Sept. 6 | Thundery outbreaks possible | 33° /22° | 8.7 mm | 8 | |
| Sept. 7 | Sunny | 34° /23° | 0 mm | 8 | |
| Sept. 8 | Sunny | 36° /22° | 0.1 mm | 9 | |
| Sept. 9 | Sunny | 35° /19° | 0 mm | 8 | |
| Sept. 10 | Sunny | 35° /19° | 0 mm | 8 | |
| Sept. 11 |  Light rain shower | 33° /21° | 1.5 mm | 7 | |
| Sept. 12 |  Moderate or heavy rain shower | 33° /22° | 19.3 mm | 8 | |
| Sept. 13 | Cloudy | 33° /23° | 0 mm | 8 | |
| Sept. 14 |  Overcast | 34° /22° | 1.7 mm | 7 | |
| Sept. 15 | Cloudy | 33° /23° | 1.1 mm | 7 | |
| Sept. 16 | Partly cloudy | 34° /22° | 0.4 mm | 8 | |
| Sept. 17 | Sunny | 35° /22° | 0 mm | 8 | |
| Sept. 18 | Partly cloudy | 38° /26° | 0 mm | 1.4 | |
| Sept. 19 | Sunny | 36° /24° | 0 mm | 1.8 | |
| Sept. 20 | Sunny | 37° /24° | 0 mm | 1.4 | |
| Sept. 21 | Sunny | 36° /25° | 0 mm | 1.8 | |
| Sept. 22 | Sunny | 36° /25° | 0 mm | 0 | |
| Sept. 23 |  Moderate rain | 34° /20° | 7.6 mm | 6 | |
| Sept. 24 | Sunny | 31° /19° | 0 mm | 6 | |
| Sept. 25 | Sunny | 30° /23° | 0 mm | 7 | |
| Sept. 26 | Moderate rain | 36° /22° | 7.1 mm | 6 | |
| Sept. 27 | Sunny | 39° /27° | 0 mm | 8 | |
| Sept. 28 | Sunny | 32° /23° | 0 mm | 7 | |
| Sept. 29 | Sunny | 35° /19° | 0.1 mm | 7 | |
| Sept. 30 | Sunny | 35° /26° | 0 mm | 7 | |
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Plano in September - FAQ
September rainfall patterns in Plano
UV exposure in Plano during September
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Where is Plano?Get accurate weather forecasts for Plano, located at latitude 33.02 and longitude -96.699. Stay updated with localized weather information tailored for Plano.