Killeen (TX)
September
Weather in Killeen, Texas for September 2025
Your guide to Killeen weather in September - trends and predictions
So far, September 2025 in Killeen is slightly warmer than the historical average by 0.6 °F.
The forecast for the upcoming days in Killeen predicts a temperature of 35.8 °F, which is slightly above the historical average.
In general, the average temperature in Killeen at the beginning of September is 31.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 36.4 °F by the end of September.
With an average of 2 rainy days, Killeen experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
28
Dry days
2
Rainy days
0
Snow days
33°/21°
Temperatures
22 km/h
Avg max wind
56 %
Avg humidity
Killeen Weather September
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Temperatures trend during September in Killeen
See the weather trend as well as the moving average line
September weather in Killeen day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 32° /23° | 0.1 mm | 7 | |
| Sept. 2 |  Cloudy | 35° /22° | 0 mm | 8 | |
| Sept. 3 | Light rain shower | 32° /22° | 2.4 mm | 7 | |
| Sept. 4 |  Light drizzle | 34° /21° | 0.2 mm | 8 | |
| Sept. 5 | Patchy rain possible | 32° /22° | 0 mm | 7 | |
| Sept. 6 |  Partly cloudy | 30° /21° | 0 mm | 7 | |
| Sept. 7 |  Sunny | 28° /21° | 1.5 mm | 7 | |
| Sept. 8 | Sunny | 31° /18° | 0 mm | 8 | |
| Sept. 9 | Sunny | 32° /17° | 0 mm | 8 | |
| Sept. 10 | Sunny | 33° /18° | 0 mm | 8 | |
| Sept. 11 | Light rain shower | 31° /20° | 2 mm | 7 | |
| Sept. 12 | Partly cloudy | 34° /21° | 0.1 mm | 9 | |
| Sept. 13 | Sunny | 35° /21° | 0 mm | 9 | |
| Sept. 14 | Sunny | 36° /23° | 0 mm | 9 | |
| Sept. 15 | Patchy rain possible | 35° /23° | 0.1 mm | 8 | |
| Sept. 16 | Sunny | 37° /21° | 0 mm | 1.9 | |
| Sept. 17 | Sunny | 36° /21° | 0 mm | 1.7 | |
| Sept. 18 | Partly cloudy | 35° /22° | 0 mm | 1.9 | |
| Sept. 19 | Partly cloudy | 34° /21° | 0 mm | 2.1 | |
| Sept. 20 | Sunny | 35° /23° | 0 mm | 0 | |
| Sept. 21 | Sunny | 35° /22° | 0 mm | 7 | |
| Sept. 22 | Patchy rain possible | 35° /23° | 4.1 mm | 6 | |
| Sept. 23 | Patchy rain possible | 34° /22° | 0.8 mm | 6 | |
| Sept. 24 | Sunny | 35° /23° | 0 mm | 7 | |
| Sept. 25 | Sunny | 36° /24° | 0 mm | 7 | |
| Sept. 26 | Sunny | 36° /24° | 0 mm | 7 | |
| Sept. 27 |  Moderate rain | 35° /24° | 6.1 mm | 6 | |
| Sept. 28 | Sunny | 38° /23° | 0 mm | 7 | |
| Sept. 29 | Sunny | 40° /25° | 0 mm | 8 | |
| Sept. 30 | Sunny | 35° /14° | 0 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Killeen 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 Killeen forecast closer to your planned date for the most up-to-date weather information.
Change Month
Killeen in September - FAQ
What are the expected maximum and minimum temperatures in Killeen during September?
During September, expect a variety of temperatures with highs around 33° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Killeen during September?
Rainfall in Killeen during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Killeen during September?
The average wind speed in Killeen during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Killeen
Explore the daily rainfall trends and prepare for Killeens September weather 💧
UV exposure in Killeen during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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