Waco (TX)
September
Weather in Waco, Texas for September 2025
Your guide to Waco weather in September - trends and predictions
The forecast for the first days of September 2025 in Waco predicts temperatures to be around 32 °F, close to the historical average.
In general, the average temperature in Waco at the beginning of September is 34 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 30.4 °F by the end of September.
Waco experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 70.5 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
32°/21°
Temperatures
20 km/h
Avg max wind
55 %
Avg humidity
Waco Weather September
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Temperatures trend during September in Waco
See the weather trend as well as the moving average line
September weather in Waco day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate rain | 36° /24° | 6.3 mm | 2 | |
| Sept. 2 |  Sunny | 39° /23° | 0 mm | 2.3 | |
| Sept. 3 | Sunny | 36° /22° | 0 mm | 2.3 | |
| Sept. 4 | Sunny | 39° /25° | 0 mm | 0 | |
| Sept. 5 | Sunny | 37° /26° | 0 mm | 8 | |
| Sept. 6 |  Patchy rain possible | 27° /24° | 0.8 mm | 6 | |
| Sept. 7 | Patchy rain possible | 24° /22° | 0.2 mm | 5 | |
| Sept. 8 | Patchy rain possible | 22° /21° | 1.7 mm | 5 | |
| Sept. 9 | Patchy rain possible | 30° /21° | 0.2 mm | 6 | |
| Sept. 10 | Sunny | 33° /22° | 0 mm | 7 | |
| Sept. 11 | Sunny | 35° /24° | 0 mm | 7 | |
| Sept. 12 |  Partly cloudy | 34° /24° | 0 mm | 7 | |
| Sept. 13 | Sunny | 34° /22° | 0 mm | 7 | |
| Sept. 14 | Sunny | 37° /25° | 0 mm | 9 | |
| Sept. 15 |  Moderate or heavy rain shower | 37° /25° | 1.8 mm | 8 | |
| Sept. 16 | Partly cloudy | 34° /22° | 0 mm | 8 | |
| Sept. 17 | Sunny | 35° /22° | 0 mm | 9 | |
| Sept. 18 | Sunny | 36° /24° | 0 mm | 9 | |
| Sept. 19 | Partly cloudy | 36° /23° | 0 mm | 9 | |
| Sept. 20 | Sunny | 37° /24° | 0 mm | 9 | |
| Sept. 21 | Sunny | 35° /23° | 0 mm | 9 | |
| Sept. 22 | Patchy rain possible | 33° /22° | 0.1 mm | 7 | |
| Sept. 23 | Moderate or heavy rain shower | 27° /24° | 21.3 mm | 6 | |
| Sept. 24 | Moderate or heavy rain shower | 31° /20° | 2.9 mm | 7 | |
| Sept. 25 | Patchy rain possible | 26° /21° | 0.4 mm | 6 | |
| Sept. 26 | Sunny | 30° /17° | 0 mm | 8 | |
| Sept. 27 | Sunny | 31° /17° | 0 mm | 8 | |
| Sept. 28 | Sunny | 32° /18° | 0 mm | 8 | |
| Sept. 29 |  Cloudy | 29° /17° | 0 mm | 6 | |
| Sept. 30 | Partly cloudy | 34° /17° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Waco 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 Waco forecast closer to your planned date for the most up-to-date weather information.
Change Month
Waco in September - FAQ
What are the expected maximum and minimum temperatures in Waco during September?
During September, expect a variety of temperatures with highs around 32° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Waco during September?
Moderate rainfall is anticipated in Waco during September, with a total of 70.5 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Waco during September?
The average wind speed in Waco during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Waco
Explore the daily rainfall trends and prepare for Wacos September weather 💧
UV exposure in Waco during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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