Dallas County (Dallas)
September
Weather in Dallas County for September 2025
Your guide to Dallas County weather in September - trends and predictions
In general, the average temperature in Dallas County at the beginning of September is 35 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 33.6 °F by the end of September.
Dallas County 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 County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  35° | 2  35° | 3  34° | 4 33° | 5 35° | 6 36° | 7 37° |
| 8 36° | 9 35° | 10 35° | 11 32° | 12 33° | 13 33° | 14 33° |
| 15  32° | 16 33° | 17 34° | 18  35° | 19 36° | 20 38° | 21  35° |
| 22 34° | 23 34° | 24 35° | 25 33° | 26 33° | 27 34° | 28 34° |
| 29 33° | 30 33° |
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Temperatures trend during September in Dallas County
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Patchy rain possible | 35° /26° | 3.2 mm | 8 | |
| Sept. 2 | Partly cloudy | 35° /24° | 2.5 mm | 8 | |
| Sept. 3 | Sunny | 34° /24° | 2 mm | 8 | |
| Sept. 4 | Sunny | 33° /24° | 1 mm | 8 | |
| Sept. 5 | Partly cloudy | 35° /24° | 0.6 mm | 8 | |
| Sept. 6 | Partly cloudy | 36° /24° | 0.5 mm | 9 | |
| Sept. 7 | Sunny | 37° /25° | 0 mm | 9 | |
| Sept. 8 | Sunny | 36° /24° | 0.2 mm | 9 | |
| Sept. 9 | Sunny | 35° /22° | 0 mm | 9 | |
| Sept. 10 | Sunny | 35° /22° | 0 mm | 9 | |
| Sept. 11 | Sunny | 32° /22° | 0.9 mm | 7 | |
| Sept. 12 | Sunny | 33° /21° | 16.9 mm | 8 | |
| Sept. 13 | Sunny | 33° /23° | 1 mm | 8 | |
| Sept. 14 | Patchy rain possible | 33° /22° | 0.3 mm | 7 | |
| Sept. 15 | Overcast | 32° /21° | 0.5 mm | 8 | |
| Sept. 16 | Partly cloudy | 33° /23° | 0 mm | 8 | |
| Sept. 17 | Partly cloudy | 34° /23° | 0 mm | 8 | |
| Sept. 18 | Cloudy | 35° /24° | 0 mm | 8 | |
| Sept. 19 | Partly cloudy | 36° /25° | 0 mm | 8 | |
| Sept. 20 | Sunny | 38° /25° | 0.4 mm | 9 | |
| Sept. 21 | Moderate rain at times | 35° /25° | 0.4 mm | 8 | |
| Sept. 22 | Sunny | 34° /22° | 0.6 mm | 8 | |
| Sept. 23 | Sunny | 34° /23° | 3.5 mm | 8 | |
| Sept. 24 | Sunny | 35° /23° | 0.7 mm | 8 | |
| Sept. 25 | Overcast | 33° /22° | 0.6 mm | 7 | |
| Sept. 26 | Sunny | 33° /21° | 0 mm | 8 | |
| Sept. 27 | Sunny | 34° /21° | 0 mm | 8 | |
| Sept. 28 | Partly cloudy | 34° /22° | 0.1 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 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.
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?
In September, Dallas County 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 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 💧
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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