Tulsa County (Tulsa)
September
Weather in Tulsa County, Oklahoma for September 2026
Your guide to Tulsa County weather in September - trends and predictions
So far, September 2026 in Tulsa County shows a warmer trend than usual by 2.6 °F.
An exceptional deviation from the historical average is forecasted for next days of September 2026 in Tulsa County with the forecasted temperature being 25.5 °F, much lower than usual.
In general, the average temperature in Tulsa County at the beginning of September is 34.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 30.1 °F by the end of September.
Tulsa County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 118.9 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
31°/18°
Temperatures
18 km/h
Avg max wind
61 %
Avg humidity
Tulsa County Weather September
Move between months or click on a day
Temperatures trend during September in Tulsa County
See the weather trend as well as the moving average line
September weather in Tulsa County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 35° /20° | 3.5 mm | 8 | |
| Sept. 2 | Sunny | 35° /19° | 0 mm | 8 | |
| Sept. 3 |  Partly cloudy | 33° /20° | 0.1 mm | 7 | |
| Sept. 4 | Sunny | 34° /21° | 0.4 mm | 8 | |
| Sept. 5 |  Overcast | 34° /20° | 0.7 mm | 8 | |
| Sept. 6 | Sunny | 35° /19° | 0.4 mm | 7 | |
| Sept. 7 | Partly cloudy | 34° /16° | 0 mm | 8 | |
| Sept. 8 | Sunny | 34° /18° | 0 mm | 8 | |
| Sept. 9 | Sunny | 33° /18° | 0.3 mm | 8 | |
| Sept. 10 | Overcast | 31° /18° | 4 mm | 6 | |
| Sept. 11 | Sunny | 33° /18° | 0.7 mm | 8 | |
| Sept. 12 |  Light rain | 33° /19° | 5.6 mm | 8 | |
| Sept. 13 | Overcast | 32° /18° | 0.9 mm | 7 | |
| Sept. 14 | Overcast | 32° /19° | 0.3 mm | 7 | |
| Sept. 15 | Overcast | 34° /21° | 0.2 mm | 7 | |
| Sept. 16 |  Patchy rain possible | 34° /20° | 0.4 mm | 8 | |
| Sept. 17 | Partly cloudy | 34° /20° | 0 mm | 8 | |
| Sept. 18 | Sunny | 35° /20° | 6.8 mm | 8 | |
| Sept. 19 |  Thundery outbreaks possible | 33° /21° | 4.7 mm | 7 | |
| Sept. 20 |  Patchy light rain with thunder | 34° /20° | 13.4 mm | 6 | |
| Sept. 21 | Thundery outbreaks possible | 31° /20° | 6.9 mm | 6 | |
| Sept. 22 |  Moderate or heavy rain shower | 31° /19° | 10.7 mm | 7 | |
| Sept. 23 | Thundery outbreaks possible | 27° /17° | 28.8 mm | 6 | |
| Sept. 24 |  Mist | 28° /17° | 9.4 mm | 5 | |
| Sept. 25 | Fog | 30° /16° | 0 mm | 6 | |
| Sept. 26 | Mist | 30° /16° | 4 mm | 6 | |
| Sept. 27 | Partly cloudy | 31° /15° | 3.7 mm | 6 | |
| Sept. 28 | Sunny | 31° /17° | 0.1 mm | 7 | |
| Sept. 29 | Overcast | 33° /22° | 0 mm | 6.6 | |
| Sept. 30 | Overcast | 28° /21° | 6.4 mm | 5.6 | |
| Next | |||||
Important Notice
Our weather forecast for Tulsa 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 Tulsa County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Tulsa County in September - FAQ
What are the expected maximum and minimum temperatures in Tulsa County during September?
Expect warm days with temperatures around 31°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Tulsa County during September?
Significant rainfall exceeding 118.9 mm is expected in Tulsa County during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Tulsa County during September?
The average wind speed in Tulsa County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Tulsa County
Explore the daily rainfall trends and prepare for Tulsa Countys September weather 💧
Typically, Tulsa County has 10 rainy days in September with a total of 118.9 mm of rainfall.
UV exposure in Tulsa County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Tulsa County
Select a location for an accurate weather forecast
More Locations Quick links
More Tulsa County weather pages
You are here
Where is Tulsa County?Get accurate weather forecasts for Tulsa County, located at latitude 36.154 and longitude -95.993. Stay updated with localized weather information tailored for Tulsa County.
Found a mistake?
We appreciate your attention to details. Tell us here.