McLennan County (Waco)
September
Weather in McLennan County for September 2025
Your guide to McLennan County weather in September - trends and predictions
In general, the average temperature in McLennan County at the beginning of September is 31.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.4 °F by the end of September.
McLennan County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 70.5 mm.
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Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
32°/21°
Temperatures
20 km/h
Avg max wind
56 %
Avg humidity
McLennan County Weather September
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Temperatures trend during September in McLennan County
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September weather in McLennan County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate rain at times | 33° /23° | 3.6 mm | 7 | |
| Sept. 2 | Moderate or heavy rain shower | 33° /24° | 22 mm | 7 | |
| Sept. 3 | Moderate or heavy rain shower | 29° /23° | 6.1 mm | 6 | |
| Sept. 4 |  Cloudy | 30° /22° | 0.5 mm | 7 | |
| Sept. 5 | Moderate or heavy rain shower | 29° /21° | 10.7 mm | 6 | |
| Sept. 6 | Cloudy | 33° /21° | 0.1 mm | 7 | |
| Sept. 7 |  Sunny | 31° /22° | 0 mm | 8 | |
| Sept. 8 | Sunny | 29° /17° | 0 mm | 7 | |
| Sept. 9 | Sunny | 30° /16° | 0 mm | 8 | |
| Sept. 10 | Sunny | 34° /17° | 0 mm | 8 | |
| Sept. 11 |  Patchy rain possible | 29° /21° | 1 mm | 6 | |
| Sept. 12 |  Partly cloudy | 32° /21° | 0 mm | 8 | |
| Sept. 13 | Sunny | 35° /21° | 0 mm | 9 | |
| 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 McLennan 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 McLennan County forecast closer to your planned date for the most up-to-date weather information.
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McLennan County in September - FAQ
What are the expected maximum and minimum temperatures in McLennan County 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 McLennan County during September?
Moderate rainfall is anticipated in McLennan County during September, with a total of 70.5 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in McLennan County during September?
The average wind speed in McLennan County during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in McLennan County
Explore the daily rainfall trends and prepare for McLennan Countys September weather 💧
UV exposure in McLennan County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is McLennan County?Get accurate weather forecasts for McLennan County, located at latitude 31.549 and longitude -97.147. Stay updated with localized weather information tailored for McLennan County.
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