Dallas County (Dallas)
September
Weather in Dallas County, Texas for September 2026
Your guide to Dallas County weather in September - trends and predictions
So far, September 2026 in Dallas County is slightly warmer than the historical average by 2 °F.
The forecast for the next days in Dallas County predicts temperatures to be around 36 °F, close to the historical average.
In general, the average temperature in Dallas County at the beginning of September is 35.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 33.3 °F by the end of September.
With an average of 5 rainy days, Dallas County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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25
Dry days
5
Rainy days
0
Snow days
34°/23°
Temperatures
17 km/h
Avg max wind
47 %
Avg humidity
Dallas County Weather September
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Temperatures trend during September in Dallas County
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September weather in Dallas County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 36° /25° | 2.1 mm | 8 | |
| Sept. 2 |  Moderate or heavy rain shower | 35° /24° | 3.4 mm | 8 | |
| Sept. 3 |  Patchy rain possible | 34° /24° | 1.4 mm | 8 | |
| Sept. 4 |  Sunny | 35° /24° | 0.7 mm | 8 | |
| Sept. 5 | Partly cloudy | 36° /25° | 0.4 mm | 8 | |
| Sept. 6 | Partly cloudy | 35° /23° | 2.7 mm | 8 | |
| Sept. 7 | Sunny | 35° /24° | 0 mm | 8 | |
| Sept. 8 | Sunny | 36° /23° | 0.2 mm | 9 | |
| Sept. 9 | Sunny | 36° /22° | 0 mm | 9 | |
| Sept. 10 | Sunny | 36° /22° | 0.1 mm | 9 | |
| Sept. 11 | Patchy rain possible | 38° /27° | 0.5 mm | 9 | |
| Sept. 12 | Sunny | 38° /26° | 0 mm | 8.9 | |
| Sept. 13 | Sunny | 37° /27° | 0 mm | 8.6 | |
| Sept. 14 | Sunny | 38° /27° | 0 mm | 8.7 | |
| Sept. 15 | Sunny | 39° /27° | 0 mm | 9 | |
| Sept. 16 | Sunny | 38° /28° | 0 mm | 9 | |
| Sept. 17 | Sunny | 38° /29° | 0.1 mm | 9 | |
| Sept. 18 | Sunny | 34° /25° | 0.1 mm | 8 | |
| Sept. 19 | Sunny | 33° /25° | 0 mm | 8 | |
| Sept. 20 | Sunny | 33° /22° | 0 mm | 8 | |
| Sept. 21 | Sunny | 34° /22° | 0 mm | 8 | |
| Sept. 22 | Sunny | 35° /24° | 0 mm | 9 | |
| Sept. 23 | Sunny | 36° /25° | 0 mm | 9 | |
| Sept. 24 | Sunny | 36° /25° | 0 mm | 9 | |
| 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 County 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 County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Dallas County in September - FAQ
What are the expected maximum and minimum temperatures in Dallas County 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 County during September?
Moderate rainfall is anticipated in Dallas County during September, with a total of 72.1 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Dallas County during September?
The average wind speed in Dallas County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Dallas County
Explore the daily rainfall trends and prepare for Dallas Countys September weather 💧
Typically, Dallas County has 5 rainy days in September with a total of 72.1 mm of rainfall.
UV exposure in Dallas County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Dallas County?Get accurate weather forecasts for Dallas County, located at latitude 32.783 and longitude -96.807. Stay updated with localized weather information tailored for Dallas County.
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