Nevada County (Truckee)
September
Weather in Nevada County, California for September 2026
Your guide to Nevada County weather in September - trends and predictions
In general, the average temperature in Nevada County at the beginning of September is 23.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.9 °F by the end of September.
With an average of 2 rainy days, Nevada County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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28
Dry days
2
Rainy days
0
Snow days
21°/9°
Temperatures
16 km/h
Avg max wind
43 %
Avg humidity
Nevada County Weather September
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Temperatures trend during September in Nevada County
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September weather in Nevada County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 27° /16° | 0 mm | 7 | |
| Sept. 2 |  Thundery outbreaks possible | 23° /17° | 0 mm | 5 | |
| Sept. 3 | Partly cloudy | 25° /14° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 24° /15° | 0 mm | 6 | |
| Sept. 5 |  Sunny | 25° /14° | 0 mm | 7 | |
| Sept. 6 | Sunny | 22° /12° | 0 mm | 6 | |
| Sept. 7 | Partly cloudy | 18° /9° | 0 mm | 5 | |
| Sept. 8 | Sunny | 18° /9° | 0 mm | 5 | |
| Sept. 9 | Sunny | 17° /7° | 0 mm | 5 | |
| Sept. 10 |  Overcast | 17° /7° | 0 mm | 4 | |
| Sept. 11 | Sunny | 17° /5° | 0 mm | 5 | |
| Sept. 12 | Sunny | 19° /5° | 0 mm | 5 | |
| Sept. 13 | Sunny | 21° /7° | 0 mm | 6 | |
| Sept. 14 | Sunny | 22° /8° | 0 mm | 6 | |
| Sept. 15 | Sunny | 21° /7° | 0 mm | 6 | |
| Sept. 16 |  Heavy rain at times | 18° /7° | 1.1 mm | 5 | |
| Sept. 17 | Overcast | 17° /8° | 0 mm | 5 | |
| Sept. 18 |  Moderate or heavy rain shower | 16° /10° | 14.1 mm | 4 | |
| Sept. 19 |  Patchy rain possible | 15° /7° | 9.9 mm | 4 | |
| Sept. 20 | Sunny | 20° /9° | 0 mm | 6 | |
| Sept. 21 | Patchy rain possible | 20° /9° | 0.1 mm | 5 | |
| Sept. 22 | Sunny | 22° /9° | 0 mm | 6 | |
| Sept. 23 | Partly cloudy | 24° /11° | 0 mm | 7 | |
| Sept. 24 | Sunny | 25° /11° | 0 mm | 7 | |
| Sept. 25 | Sunny | 21° /11° | 1.8 mm | 6 | |
| Sept. 26 | Sunny | 24° /9° | 0 mm | 6 | |
| Sept. 27 | Sunny | 24° /11° | 0 mm | 7 | |
| Sept. 28 | Sunny | 21° /10° | 0 mm | 6 | |
| Sept. 29 | Sunny | 21° /9° | 0 mm | 5 | |
| Sept. 30 | Overcast | 17° /8° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Nevada 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 Nevada County forecast closer to your planned date for the most up-to-date weather information.
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Nevada County in September - FAQ
What are the expected maximum and minimum temperatures in Nevada County during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Nevada County during September?
In September, Nevada County can expect light to moderate rainfall, totaling 30.6 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Nevada County during September?
The average wind speed in Nevada County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Nevada County
Explore the daily rainfall trends and prepare for Nevada Countys September weather 💧
Typically, Nevada County has 2 rainy days in September with a total of 30.6 mm of rainfall.
UV exposure in Nevada County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Nevada County?Get accurate weather forecasts for Nevada County, located at latitude 39.328 and longitude -120.183. Stay updated with localized weather information tailored for Nevada County.
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