Weather in Owasso, Oklahoma for September 2026
So far, September 2026 in Owasso shows a warmer trend than usual by 3.6 °F.
An exceptional deviation from the historical average is forecasted for next days of September 2026 in Owasso with the forecasted temperature being 25.9 °F, much lower than usual.
In general, the average temperature in Owasso at the beginning of September is 32 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.7 °F by the end of September.
Owasso experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 102.4 mm.
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Owasso Weather September
Temperatures trend during September in Owasso
September weather in Owasso day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate rain at times | 34° /21° | 4.4 mm | 8 | |
| Sept. 2 |  Sunny | 33° /21° | 1.2 mm | 8 | |
| Sept. 3 |  Patchy rain possible | 30° /21° | 0.1 mm | 7 | |
| Sept. 4 |  Overcast | 32° /21° | 0 mm | 7 | |
| Sept. 5 |  Partly cloudy | 32° /19° | 0 mm | 7 | |
| Sept. 6 | Overcast | 32° /19° | 0.3 mm | 6 | |
| Sept. 7 | Partly cloudy | 31° /16° | 0 mm | 7 | |
| Sept. 8 | Sunny | 32° /18° | 0 mm | 7 | |
| Sept. 9 | Overcast | 32° /19° | 1 mm | 8 | |
| Sept. 10 | Sunny | 29° /18° | 5.2 mm | 5 | |
| Sept. 11 | Partly cloudy | 34° /19° | 0 mm | 8 | |
| Sept. 12 | Partly cloudy | 35° /20° | 0.7 mm | 9 | |
| Sept. 13 | Sunny | 34° /20° | 1.1 mm | 7 | |
| Sept. 14 |  Cloudy | 34° /21° | 0 mm | 7 | |
| Sept. 15 | Partly cloudy | 35° /22° | 0 mm | 8 | |
| Sept. 16 | Cloudy | 35° /22° | 0.1 mm | 8 | |
| Sept. 17 | Overcast | 34° /22° | 0 mm | 7 | |
| Sept. 18 | Sunny | 34° /22° | 9.7 mm | 7 | |
| Sept. 19 | Partly cloudy | 36° /22° | 2.1 mm | 8 | |
| Sept. 20 | Partly cloudy | 36° /22° | 3 mm | 6 | |
| Sept. 21 | Cloudy | 30° /22° | 8.5 mm | 6 | |
| Sept. 22 | Moderate or heavy rain shower | 31° /19° | 8.8 mm | 7 | |
| Sept. 23 | Moderate or heavy rain shower | 25° /17° | 29.2 mm | 6 | |
| Sept. 24 | Overcast | 27° /17° | 5.9 mm | 4 | |
| Sept. 25 | Cloudy | 29° /15° | 0 mm | 5 | |
| Sept. 26 | Overcast | 30° /20° | 4.7 mm | 6.2 | |
| Sept. 27 | Sunny | 32° /20° | 1.1 mm | 6.5 | |
| Sept. 28 | Sunny | 33° /22° | 0.1 mm | 6.7 | |
| Sept. 29 | Overcast | 34° /23° | 1.1 mm | 5.7 | |
| Sept. 30 | Overcast | 30° /21° | 40.4 mm | 4.8 | |
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Owasso in September - FAQ
What are the expected maximum and minimum temperatures in Owasso during September?
How much rainfall should be expected in Owasso during September?
What are the typical wind conditions in Owasso during September?
September rainfall patterns in Owasso
UV exposure in Owasso during September
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Where is Owasso?Get accurate weather forecasts for Owasso, located at latitude 36.27 and longitude -95.855. Stay updated with localized weather information tailored for Owasso.