Frisco (TX)
September
Weather in Frisco, Texas for September 2026
Your guide to Frisco weather in September - trends and predictions
In general, the average temperature in Frisco at the beginning of September is 34.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 33.4 °F by the end of September.
The climate of Frisco in September is notably wet, with an average of 11 rainy days, and a total of 70.6 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
35°/22°
Temperatures
21 km/h
Avg max wind
50 %
Avg humidity
Frisco Weather September
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Temperatures trend during September in Frisco
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September weather in Frisco day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 35° /22° | 1.9 mm | 8 | |
| Sept. 2 |  Cloudy | 34° /23° | 4.1 mm | 7 | |
| Sept. 3 |  Thundery outbreaks possible | 34° /22° | 2.3 mm | 8 | |
| Sept. 4 | Thundery outbreaks possible | 35° /22° | 1 mm | 8 | |
| Sept. 5 | Partly cloudy | 36° /23° | 0.4 mm | 8 | |
| Sept. 6 | Thundery outbreaks possible | 34° /22° | 8.8 mm | 8 | |
| Sept. 7 |  Sunny | 35° /22° | 0 mm | 8 | |
| Sept. 8 | Sunny | 36° /21° | 0.2 mm | 9 | |
| Sept. 9 | Sunny | 35° /19° | 0 mm | 8 | |
| Sept. 10 | Sunny | 36° /19° | 0 mm | 8 | |
| Sept. 11 |  Light rain shower | 33° /22° | 1 mm | 8 | |
| Sept. 12 |  Torrential rain shower | 33° /22° | 21.9 mm | 8 | |
| Sept. 13 |  Overcast | 33° /23° | 0 mm | 8 | |
| Sept. 14 | Overcast | 33° /22° | 0.3 mm | 7 | |
| Sept. 15 | Cloudy | 33° /22° | 0.9 mm | 7 | |
| Sept. 16 | Sunny | 34° /22° | 0.4 mm | 8 | |
| Sept. 17 | Sunny | 36° /21° | 0 mm | 9 | |
| Sept. 18 | Sunny | 36° /24° | 0 mm | 9 | |
| Sept. 19 | Cloudy | 37° /24° | 0.6 mm | 8 | |
| Sept. 20 |  Heavy rain at times | 37° /23° | 0.8 mm | 8 | |
| Sept. 21 | Thundery outbreaks possible | 36° /24° | 0.1 mm | 8 | |
| Sept. 22 | Thundery outbreaks possible | 35° /23° | 1.2 mm | 8 | |
| Sept. 23 | Thundery outbreaks possible | 34° /24° | 15.8 mm | 7 | |
| Sept. 24 | Thundery outbreaks possible | 34° /23° | 13.9 mm | 7 | |
| Sept. 25 | Thundery outbreaks possible | 31° /19° | 2.7 mm | 7 | |
| Sept. 26 |  Mist | 33° /18° | 0 mm | 8 | |
| Sept. 27 | Sunny | 34° /18° | 0 mm | 8 | |
| Sept. 28 | Partly cloudy | 34° /19° | 0 mm | 8 | |
| Sept. 29 | Sunny | 34° /20° | 0 mm | 8 | |
| Sept. 30 | Sunny | 34° /20° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Frisco 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 Frisco forecast closer to your planned date for the most up-to-date weather information.
Change Month
Frisco in September - FAQ
What are the expected maximum and minimum temperatures in Frisco during September?
With daytime temperatures soaring above 35° and not dropping much below 22° at night, September in Frisco is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Frisco during September?
Moderate rainfall is anticipated in Frisco during September, with a total of 70.6 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Frisco during September?
The average wind speed in Frisco during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Frisco
Explore the daily rainfall trends and prepare for Friscos September weather 💧
UV exposure in Frisco during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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