Texas (Dallas)
September
Weather in Texas for September 2025
Your guide to Texas weather in September - trends and predictions
In general, the average temperature in Texas at the beginning of September is 35.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 34 °F by the end of September.
Texas sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
37°/24°
Temperatures
20 km/h
Avg max wind
46 %
Avg humidity
Texas in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  35° | 2  36° | 3  33° | 4  33° | 5 36° | 6 39° | 7 38° |
| 8 38° | 9 36° | 10 35° | 11  31° | 12  32° | 13  33° | 14 33° |
| 15 33° | 16 33° | 17 36° | 18 36° | 19 37° | 20  38° | 21 35° |
| 22 36° | 23 34° | 24 36° | 25 30° | 26 33° | 27 34° | 28 35° |
| 29 35° | 30 35° |
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Temperatures trend during September in Texas
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 | Partly cloudy | 35° /25° | 1.1 mm | 8 | |
| Sept. 2 | Cloudy | 36° /24° | 0.6 mm | 8 | |
| Sept. 3 | Thundery outbreaks possible | 33° /23° | 4 mm | 8 | |
| Sept. 4 | Sunny | 33° /23° | 1.8 mm | 8 | |
| Sept. 5 | Partly cloudy | 36° /23° | 0.5 mm | 9 | |
| Sept. 6 | Partly cloudy | 39° /25° | 0.2 mm | 10 | |
| Sept. 7 | Sunny | 38° /26° | 0 mm | 9 | |
| Sept. 8 | Sunny | 38° /25° | 0.2 mm | 10 | |
| Sept. 9 | Thundery outbreaks possible | 36° /22° | 0 mm | 9 | |
| Sept. 10 | Partly cloudy | 35° /22° | 0 mm | 9 | |
| Sept. 11 | Light rain shower | 31° /23° | 1.8 mm | 7 | |
| Sept. 12 | Heavy rain | 32° /22° | 33.9 mm | 8 | |
| Sept. 13 | Overcast | 33° /23° | 0 mm | 8 | |
| Sept. 14 | Overcast | 33° /23° | 0.5 mm | 7 | |
| Sept. 15 | Cloudy | 33° /22° | 1 mm | 8 | |
| Sept. 16 | Partly cloudy | 33° /23° | 0 mm | 8 | |
| Sept. 17 | Sunny | 36° /22° | 0 mm | 9 | |
| Sept. 18 | Partly cloudy | 36° /24° | 0 mm | 9 | |
| Sept. 19 | Cloudy | 37° /25° | 0 mm | 8 | |
| Sept. 20 | Heavy rain at times | 38° /24° | 0.8 mm | 9 | |
| Sept. 21 | Thundery outbreaks possible | 35° /26° | 0.2 mm | 9 | |
| Sept. 22 | Thundery outbreaks possible | 36° /23° | 1.1 mm | 9 | |
| Sept. 23 | Thundery outbreaks possible | 34° /24° | 6.9 mm | 8 | |
| Sept. 24 | Patchy rain possible | 36° /25° | 1.3 mm | 8 | |
| Sept. 25 | Thundery outbreaks possible | 30° /23° | 1 mm | 7 | |
| Sept. 26 | Partly cloudy | 33° /21° | 0 mm | 8 | |
| Sept. 27 | Cloudy | 34° /21° | 0 mm | 8 | |
| Sept. 28 | Partly cloudy | 35° /23° | 0 mm | 9 | |
| Sept. 29 | Sunny | 35° /23° | 0 mm | 8 | |
| Sept. 30 | Sunny | 35° /22° | 0 mm | 9 | |
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Important Notice
Our weather forecast for Texas 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 Texas forecast closer to your planned date for the most up-to-date weather information.
Texas in September - FAQ
What are the expected maximum and minimum temperatures in Texas during September?
With daytime temperatures soaring above 37° and not dropping much below 24° at night, September in Texas is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Texas during September?
Moderate rainfall is anticipated in Texas during September, with a total of 82.5 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Texas during September?
The average wind speed in Texas during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Texas
Explore the daily rainfall trends and prepare for Texass September weather 💧
UV exposure in Texas during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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