Oklahoma City (OK)
September
Weather in Oklahoma City, Oklahoma for September 2026
Your guide to Oklahoma City weather in September - trends and predictions
So far, September 2026 in Oklahoma City shows a warmer trend than usual by 4.6 °F.
The forecast for the upcoming days in Oklahoma City predicts a temperature of 35.9 °F, which is slightly above the historical average.
In general, the average temperature in Oklahoma City at the beginning of September is 34.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 31.1 °F by the end of September.
Oklahoma City experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 73.1 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
32°/19°
Temperatures
22 km/h
Avg max wind
56 %
Avg humidity
Oklahoma City Weather September
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Temperatures trend during September in Oklahoma City
See the weather trend as well as the moving average line
September weather in Oklahoma City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 36° /20° | 1.7 mm | 9 | |
| Sept. 2 | Sunny | 35° /20° | 5 mm | 8 | |
| Sept. 3 | Sunny | 34° /20° | 1 mm | 8 | |
| Sept. 4 |  Partly cloudy | 34° /20° | 0.7 mm | 8 | |
| Sept. 5 | Partly cloudy | 34° /21° | 0.2 mm | 8 | |
| Sept. 6 | Sunny | 34° /20° | 0.7 mm | 8 | |
| Sept. 7 | Partly cloudy | 35° /19° | 0 mm | 8 | |
| Sept. 8 | Sunny | 36° /19° | 0 mm | 8 | |
| Sept. 9 | Partly cloudy | 34° /20° | 2.3 mm | 8 | |
| Sept. 10 |  Light rain shower | 30° /22° | 8 mm | 5.6 | |
| Sept. 11 | Sunny | 34° /20° | 0 mm | 8.2 | |
| Sept. 12 | Sunny | 38° /25° | 0.1 mm | 8.5 | |
| Sept. 13 |  Overcast | 37° /25° | 0 mm | 9 | |
| Sept. 14 | Sunny | 35° /25° | 0.2 mm | 9 | |
| Sept. 15 | Overcast | 37° /27° | 2.1 mm | 8 | |
| Sept. 16 | Sunny | 36° /26° | 0.3 mm | 9 | |
| Sept. 17 | Sunny | 38° /28° | 0 mm | 9 | |
| Sept. 18 | Sunny | 39° /29° | 0 mm | 9 | |
| Sept. 19 | Sunny | 40° /29° | 0 mm | 9 | |
| Sept. 20 | Sunny | 40° /29° | 0 mm | 10 | |
| Sept. 21 | Light rain shower | 31° /25° | 5 mm | 6 | |
| Sept. 22 | Sunny | 32° /21° | 0.3 mm | 8 | |
| Sept. 23 |  Thundery outbreaks possible | 28° /19° | 29.1 mm | 6 | |
| Sept. 24 | Light rain shower | 28° /18° | 0.5 mm | 6 | |
| Sept. 25 |  Mist | 30° /17° | 4.1 mm | 6 | |
| Sept. 26 | Sunny | 31° /15° | 0 mm | 8 | |
| Sept. 27 | Sunny | 32° /15° | 0 mm | 8 | |
| Sept. 28 | Sunny | 33° /17° | 0 mm | 8 | |
| Sept. 29 | Thundery outbreaks possible | 32° /17° | 0 mm | 7 | |
| Sept. 30 | Partly cloudy | 32° /19° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Oklahoma City 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 Oklahoma City forecast closer to your planned date for the most up-to-date weather information.
Change Month
Oklahoma City in September - FAQ
What are the expected maximum and minimum temperatures in Oklahoma City during September?
Expect warm days with temperatures around 32°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Oklahoma City during September?
Moderate rainfall is anticipated in Oklahoma City during September, with a total of 73.1 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Oklahoma City during September?
The average wind speed in Oklahoma City during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Oklahoma City
Explore the daily rainfall trends and prepare for Oklahoma Citys September weather 💧
Typically, Oklahoma City has 7 rainy days in September with a total of 73.1 mm of rainfall.
UV exposure in Oklahoma City during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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