Cleveland County (Norman)
September
Weather in Cleveland County, Oklahoma for September 2026
Your guide to Cleveland County weather in September - trends and predictions
So far, September 2026 in Cleveland County shows a warmer trend than usual by 2.5 °F.
An exceptional deviation from the historical average is forecasted for next days of September 2026 in Cleveland County with the forecasted temperature being 24.8 °F, much lower than usual.
In general, the average temperature in Cleveland County at the beginning of September is 33.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 30.3 °F by the end of September.
Cleveland County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 171 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
30°/18°
Temperatures
21 km/h
Avg max wind
65 %
Avg humidity
Cleveland County Weather September
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Temperatures trend during September in Cleveland County
See the weather trend as well as the moving average line
September weather in Cleveland County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Fog | 34° /21° | 3.1 mm | 9 | |
| Sept. 2 |  Light rain shower | 34° /22° | 16.8 mm | 8 | |
| Sept. 3 | Fog | 35° /20° | 0 mm | 9 | |
| Sept. 4 | Fog | 35° /21° | 0 mm | 9 | |
| Sept. 5 |  Thundery outbreaks possible | 33° /21° | 0 mm | 8 | |
| Sept. 6 |  Overcast | 32° /19° | 0 mm | 8 | |
| Sept. 7 | Mist | 33° /19° | 0 mm | 8 | |
| Sept. 8 |  Partly cloudy | 34° /19° | 0 mm | 8 | |
| Sept. 9 |  Sunny | 35° /21° | 0.1 mm | 9 | |
| Sept. 10 | Overcast | 31° /19° | 65.2 mm | 6 | |
| Sept. 11 | Sunny | 35° /17° | 0 mm | 9 | |
| Sept. 12 | Sunny | 37° /20° | 0.1 mm | 9 | |
| Sept. 13 | Partly cloudy | 35° /21° | 0.9 mm | 8 | |
| Sept. 14 | Overcast | 34° /23° | 0.1 mm | 8 | |
| Sept. 15 |  Cloudy | 34° /23° | 0 mm | 8 | |
| Sept. 16 | Sunny | 36° /23° | 0 mm | 8 | |
| Sept. 17 | Partly cloudy | 35° /23° | 0.2 mm | 8 | |
| Sept. 18 | Thundery outbreaks possible | 34° /23° | 1.6 mm | 8 | |
| Sept. 19 |  Patchy light rain with thunder | 35° /21° | 1.6 mm | 8 | |
| Sept. 20 | Sunny | 34° /22° | 0.2 mm | 6 | |
| Sept. 21 | Light rain shower | 31° /19° | 29.7 mm | 7 | |
| Sept. 22 | Sunny | 33° /19° | 7.5 mm | 8 | |
| Sept. 23 |  Moderate or heavy rain shower | 30° /19° | 19.1 mm | 5 | |
| Sept. 24 | Moderate or heavy rain shower | 28° /20° | 14.5 mm | 4 | |
| Sept. 25 | Mist | 29° /16° | 9.4 mm | 4 | |
| Sept. 26 | Sunny | 30° /15° | 0 mm | 8 | |
| Sept. 27 | Patchy rain possible | 33° /21° | 3 mm | 6.9 | |
| Sept. 28 | Overcast | 34° /23° | 0 mm | 7.1 | |
| Sept. 29 | Overcast | 31° /24° | 0.1 mm | 6.2 | |
| Sept. 30 | Patchy rain possible | 27° /21° | 20.7 mm | 2.1 | |
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Important Notice
Our weather forecast for Cleveland 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 Cleveland County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cleveland County in September - FAQ
What are the expected maximum and minimum temperatures in Cleveland County during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Cleveland County during September?
Significant rainfall exceeding 171 mm is expected in Cleveland County during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cleveland County during September?
The average wind speed in Cleveland County during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cleveland County
Explore the daily rainfall trends and prepare for Cleveland Countys September weather 💧
Typically, Cleveland County has 7 rainy days in September with a total of 171 mm of rainfall.
UV exposure in Cleveland County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Cleveland County?Get accurate weather forecasts for Cleveland County, located at latitude 35.223 and longitude -97.439. Stay updated with localized weather information tailored for Cleveland County.
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