Washoe County (Reno)
September
Weather in Washoe County, Nevada for September 2027
Your guide to Washoe County weather in September - trends and predictions
In general, the average temperature in Washoe County at the beginning of September is 26.8 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.5 °C by the end of September.
With an average of 2 rainy days, Washoe County experiences minimal rainfall in September.
Is September a good time to visit Washoe County? check out the best time to travel to Washoe County page.
✨ Is September a good time to visit Washoe County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
28
Dry days
2
Rainy days
0
Snow days
25°/11°
Temperatures
20 km/h
Avg max wind
37 %
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° /13° | 0 mm | 7 | |
| Sept. 2 | Overcast | 25° /13° | 0 mm | 5 | |
| Sept. 3 |  Patchy rain possible | 25° /11° | 1.8 mm | 7 | |
| Sept. 4 |  Partly cloudy | 26° /12° | 0 mm | 8 | |
| Sept. 5 |  Sunny | 28° /12° | 0.2 mm | 8 | |
| Sept. 6 | Sunny | 28° /13° | 0.5 mm | 7 | |
| Sept. 7 | Sunny | 28° /11° | 0 mm | 7 | |
| Sept. 8 | Sunny | 28° /10° | 0 mm | 7.8 | |
| Sept. 9 | Sunny | 27° /11° | 0 mm | 5 | |
| Sept. 10 | Patchy rain possible | 27° /12° | 1.4 mm | 6 | |
| Sept. 11 | Sunny | 27° /11° | 0 mm | 6 | |
| Sept. 12 | Sunny | 25° /9° | 0 mm | 7 | |
| Sept. 13 | Partly cloudy | 26° /11° | 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 | 23° /10° | 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 | Sunny | 25° /11° | 0.3 mm | 5 | |
| Sept. 21 |  Patchy light rain with thunder | 23° /9° | 0.7 mm | 5 | |
| Sept. 22 | Sunny | 24° /9° | 0 mm | 6.5 | |
| Sept. 23 | Sunny | 26° /10° | 0 mm | 6.4 | |
| Sept. 24 | Overcast | 27° /10° | 0 mm | 6 | |
| Sept. 25 | Patchy rain possible | 25° /11° | 1.2 mm | 5 | |
| Sept. 26 | Sunny | 25° /9° | 0 mm | 5 | |
| Sept. 27 | Sunny | 26° /10° | 0 mm | 6 | |
| Sept. 28 | Sunny | 24° /10° | 0.2 mm | 6 | |
| Sept. 29 | Sunny | 23° /10° | 0 mm | 5.9 | |
| Sept. 30 | Patchy light rain with thunder | 21° /8° | 3.3 mm | 5 | |
| 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 11°. 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 10.9 mm over approximately 2 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 20 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 2 rainy days in September with a total of 10.9 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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