Weather in Sheridan, Wyoming for September 2026
Until now, September 2026 in Sheridan has been nearly identical to the historical average, with a temperature of 26 °F (showing only a slight deviation of 0 °F).
The forecast for the next days in Sheridan predicts temperatures to be around 23 °F, close to the historical average.
In general, the average temperature in Sheridan at the beginning of September is 28.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.6 °F by the end of September.
With an average of 4 rainy days, Sheridan experiences minimal rainfall in September.
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Sheridan Weather September
Temperatures trend during September in Sheridan
September weather in Sheridan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 30° /12° | 0.1 mm | 5 | |
| Sept. 2 | Sunny | 33° /16° | 0 mm | 8 | |
| Sept. 3 |  Heavy rain at times | 28° /14° | 4.1 mm | 6 | |
| Sept. 4 |  Patchy light rain with thunder | 27° /12° | 0.2 mm | 6 | |
| Sept. 5 | Sunny | 25° /9° | 0 mm | 6 | |
| Sept. 6 | Sunny | 28° /10° | 0 mm | 7 | |
| Sept. 7 | Sunny | 30° /14° | 0 mm | 7 | |
| Sept. 8 | Sunny | 29° /13° | 0 mm | 7 | |
| Sept. 9 |  Overcast | 28° /14° | 0 mm | 7 | |
| Sept. 10 | Sunny | 31° /13° | 0 mm | 8 | |
| Sept. 11 |  Partly cloudy | 28° /14° | 0.4 mm | 6 | |
| Sept. 12 |  Patchy rain possible | 25° /10° | 0.1 mm | 5 | |
| Sept. 13 | Sunny | 22° /8° | 19.7 mm | 4 | |
| Sept. 14 |  Cloudy | 24° /10° | 0.1 mm | 6 | |
| Sept. 15 | Overcast | 25° /10° | 0 mm | 6 | |
| Sept. 16 | Patchy rain possible | 23° /10° | 0 mm | 5 | |
| Sept. 17 | Overcast | 22° /11° | 2.4 mm | 4 | |
| Sept. 18 | Overcast | 24° /9° | 1.3 mm | 5 | |
| Sept. 19 | Sunny | 21° /10° | 0.6 mm | 4 | |
| Sept. 20 | Sunny | 22° /10° | 3.9 mm | 5 | |
| Sept. 21 | Partly cloudy | 21° /9° | 0 mm | 5 | |
| Sept. 22 | Sunny | 22° /7° | 12.3 mm | 5 | |
| Sept. 23 | Sunny | 24° /14° | 0.2 mm | 5 | |
| Sept. 24 | Sunny | 27° /15° | 0 mm | 5.5 | |
| Sept. 25 | Sunny | 29° /15° | 0 mm | 5.3 | |
| Sept. 26 | Partly cloudy | 24° /12° | 0 mm | 5.1 | |
| Sept. 27 | Overcast | 29° /10° | 0.1 mm | 6 | |
| Sept. 28 | Overcast | 18° /9° | 5.9 mm | 4 | |
| Sept. 29 | Sunny | 15° /7° | 0 mm | 5 | |
| Sept. 30 | Sunny | 23° /9° | 0 mm | 6 | |
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Sheridan in September - FAQ
What are the expected maximum and minimum temperatures in Sheridan during September?
How much rainfall should be expected in Sheridan during September?
What are the typical wind conditions in Sheridan during September?
September rainfall patterns in Sheridan
UV exposure in Sheridan during September
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Where is Sheridan?Get accurate weather forecasts for Sheridan, located at latitude 44.797 and longitude -106.956. Stay updated with localized weather information tailored for Sheridan.