Dallas (TX)
September
Weather in Dallas, Texas for September 2026
Your guide to Dallas weather in September - trends and predictions
In general, the average temperature in Dallas at the beginning of September is 34.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 33 °C by the end of September.
Dallas experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 72.1 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
34°/23°
Temperatures
17 km/h
Avg max wind
47 %
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 |  Overcast | 33° /23° | 0.3 mm | 7 | |
| Sept. 15 |  Cloudy | 33° /22° | 0.4 mm | 8 | |
| Sept. 16 | Partly cloudy | 34° /23° | 0 mm | 8 | |
| Sept. 17 | Partly cloudy | 35° /24° | 0 mm | 8 | |
| Sept. 18 | Cloudy | 35° /25° | 0 mm | 8 | |
| Sept. 19 | Partly cloudy | 36° /25° | 0.3 mm | 8 | |
| Sept. 20 | Sunny | 38° /25° | 0.3 mm | 8 | |
| Sept. 21 |  Thundery outbreaks possible | 35° /25° | 0.3 mm | 8 | |
| Sept. 22 | Sunny | 35° /23° | 0.5 mm | 8 | |
| Sept. 23 | Sunny | 34° /23° | 16.5 mm | 8 | |
| Sept. 24 | Sunny | 34° /23° | 24.7 mm | 8 | |
| Sept. 25 | Overcast | 32° /22° | 0.5 mm | 7 | |
| Sept. 26 | Sunny | 33° /21° | 0 mm | 8 | |
| Sept. 27 | Sunny | 34° /21° | 0 mm | 8 | |
| Sept. 28 | Partly cloudy | 34° /22° | 0 mm | 8 | |
| Sept. 29 | Sunny | 32° /22° | 0.4 mm | 7 | |
| Sept. 30 | Sunny | 32° /21° | 0.1 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.
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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?
Moderate rainfall is anticipated in Dallas during September, with a total of 72.1 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
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 💧
Typically, Dallas has 7 rainy days in September with a total of 72.1 mm of rainfall.
UV exposure in Dallas during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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