Dallas (TX)
September
Weather in Dallas, Texas for September 2025
Your guide to Dallas weather in September - trends and predictions
Until now, September 2025 in Dallas is slightly cooler than the historical average by -0.9 °F.
The forecast for the upcoming days in Dallas predicts a temperature of 36.3 °F, which is slightly above the historical average.
In general, the average temperature in Dallas at the beginning of September is 34.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 35.3 °F by the end of September.
Dallas experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 36.4 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
34°/23°
Temperatures
17 km/h
Avg max wind
46 %
Avg humidity
Dallas Weather September
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Temperatures trend during September in Dallas
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September weather in Dallas day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 35° /25° | 2.5 mm | 8 | |
| Sept. 2 |  Moderate or heavy rain shower | 34° /24° | 4.1 mm | 7 | |
| Sept. 3 |  Sunny | 34° /24° | 1.6 mm | 8 | |
| Sept. 4 | Sunny | 34° /24° | 0.8 mm | 8 | |
| Sept. 5 | Partly cloudy | 35° /25° | 0.5 mm | 8 | |
| Sept. 6 | Partly cloudy | 34° /23° | 3.2 mm | 8 | |
| Sept. 7 | Sunny | 35° /24° | 0 mm | 8 | |
| Sept. 8 | Sunny | 35° /23° | 0.2 mm | 9 | |
| Sept. 9 | Sunny | 35° /21° | 0 mm | 8 | |
| Sept. 10 | Sunny | 35° /22° | 0 mm | 9 | |
| Sept. 11 | Sunny | 33° /22° | 0.7 mm | 8 | |
| Sept. 12 | Sunny | 34° /22° | 13.5 mm | 8 | |
| Sept. 13 | Sunny | 34° /23° | 0.8 mm | 8 | |
| Sept. 14 | Partly cloudy | 35° /25° | 0 mm | 1.7 | |
| Sept. 15 | Sunny | 37° /25° | 0 mm | 1.7 | |
| Sept. 16 | Sunny | 38° /25° | 0 mm | 1.7 | |
| Sept. 17 | Sunny | 36° /26° | 0.1 mm | 1.7 | |
| Sept. 18 |  Patchy rain possible | 34° /26° | 0.9 mm | 0 | |
| Sept. 19 | Sunny | 36° /23° | 0 mm | 7 | |
| Sept. 20 | Sunny | 37° /26° | 0 mm | 8 | |
| Sept. 21 | Sunny | 37° /26° | 0 mm | 8 | |
| Sept. 22 | Sunny | 36° /26° | 0 mm | 8 | |
| Sept. 23 | Sunny | 35° /26° | 0 mm | 8 | |
| Sept. 24 | Partly cloudy | 34° /26° | 0 mm | 7 | |
| Sept. 25 | Sunny | 38° /26° | 0 mm | 8 | |
| Sept. 26 | Patchy rain possible | 39° /28° | 0.1 mm | 7 | |
| Sept. 27 | Patchy rain possible | 36° /26° | 0.4 mm | 7 | |
| Sept. 28 | Partly cloudy | 34° /22° | 0.1 mm | 8 | |
| Sept. 29 | Sunny | 33° /21° | 0.4 mm | 8 | |
| Sept. 30 | Sunny | 33° /21° | 0.2 mm | 8 | |
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Important Notice
Our weather forecast for Dallas 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 Dallas forecast closer to your planned date for the most up-to-date weather information.
Change Month
Dallas in September - FAQ
What are the expected maximum and minimum temperatures in Dallas during September?
During September, expect a variety of temperatures with highs around 34° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Dallas during September?
In September, Dallas can expect light to moderate rainfall, totaling 36.4 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Dallas during September?
The average wind speed in Dallas during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Dallas
Explore the daily rainfall trends and prepare for Dallass September weather 💧
UV exposure in Dallas during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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