Truckee (CA)
September
Weather in Truckee, California for September 2026
Your guide to Truckee weather in September - trends and predictions
In general, the average temperature in Truckee 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, Truckee 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
Truckee Weather September
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Temperatures trend during September in Truckee
See the weather trend as well as the moving average line
September weather in Truckee 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 Truckee 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 Truckee forecast closer to your planned date for the most up-to-date weather information.
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Truckee in September - FAQ
What are the expected maximum and minimum temperatures in Truckee 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 Truckee during September?
In September, Truckee 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 Truckee during September?
The average wind speed in Truckee during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Truckee
Explore the daily rainfall trends and prepare for Truckees September weather 💧
UV exposure in Truckee during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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