Washoe County (Reno)
September
Weather in Washoe County, Nevada for September 2026
Your guide to Washoe County weather in September - trends and predictions
Until now, September 2026 in Washoe County is slightly cooler than the historical average by 0.6 °F.
The forecast for the next days in Washoe County predicts temperatures to be around 26 °F, close to the historical average.
In general, the average temperature in Washoe County at the beginning of September is 27.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.1 °F by the end of September.
With an average of 4 rainy days, Washoe County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
26
Dry days
4
Rainy days
0
Snow days
25°/10°
Temperatures
21 km/h
Avg max wind
38 %
Avg humidity
Washoe County Weather September
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Temperatures trend during September in Washoe County
See the weather trend as well as the moving average line
September weather in Washoe County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 28° /12° | 0 mm | 7 | |
| Sept. 2 | Overcast | 25° /12° | 0 mm | 5 | |
| Sept. 3 |  Sunny | 26° /11° | 1.8 mm | 7 | |
| Sept. 4 |  Partly cloudy | 27° /11° | 0 mm | 8 | |
| Sept. 5 | Sunny | 29° /12° | 0.2 mm | 8 | |
| Sept. 6 | Sunny | 28° /12° | 0.5 mm | 7 | |
| Sept. 7 | Sunny | 28° /11° | 0 mm | 7 | |
| Sept. 8 | Sunny | 29° /10° | 0 mm | 8 | |
| Sept. 9 | Sunny | 28° /10° | 0 mm | 5 | |
| Sept. 10 | Sunny | 27° /11° | 1.4 mm | 6 | |
| Sept. 11 | Sunny | 27° /11° | 0 mm | 6 | |
| Sept. 12 | Sunny | 26° /9° | 0 mm | 7 | |
| Sept. 13 | Partly cloudy | 26° /10° | 0 mm | 7 | |
| Sept. 14 | Sunny | 26° /10° | 0 mm | 7 | |
| Sept. 15 | Sunny | 26° /10° | 0 mm | 7 | |
| Sept. 16 | Sunny | 25° /10° | 0.6 mm | 7 | |
| Sept. 17 | Partly cloudy | 24° /9° | 0.1 mm | 7 | |
| Sept. 18 |  Patchy rain possible | 23° /10° | 0.6 mm | 6 | |
| Sept. 19 | Partly cloudy | 24° /10° | 0 mm | 6 | |
| Sept. 20 | Overcast | 24° /13° | 0 mm | 5.9 | |
| Sept. 21 | Overcast | 26° /15° | 0 mm | 6.9 | |
| Sept. 22 | Sunny | 26° /13° | 0 mm | 6.9 | |
| Sept. 23 | Sunny | 29° /14° | 0 mm | 6.5 | |
| Sept. 24 | Overcast | 27° /15° | 0 mm | 7 | |
| Sept. 25 | Overcast | 27° /15° | 0 mm | 7 | |
| Sept. 26 | Sunny | 25° /12° | 0 mm | 6 | |
| Sept. 27 | Sunny | 23° /12° | 0 mm | 6 | |
| Sept. 28 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 29 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 30 | Sunny | 26° /13° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Washoe 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 Washoe County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Washoe County in September - FAQ
What are the expected maximum and minimum temperatures in Washoe County during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Washoe County during September?
Expect minimal rainfall in Washoe County during September, with a total of 14 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Washoe County during September?
The average wind speed in Washoe County during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Washoe County
Explore the daily rainfall trends and prepare for Washoe Countys September weather 💧
Typically, Washoe County has 4 rainy days in September with a total of 14 mm of rainfall.
UV exposure in Washoe County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Washoe County?Get accurate weather forecasts for Washoe County, located at latitude 39.53 and longitude -119.814. Stay updated with localized weather information tailored for Washoe County.
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