South Lake Tahoe (CA)
September
Weather in South Lake Tahoe, California for September 2026
Your guide to South Lake Tahoe weather in September - trends and predictions
In general, the average temperature in South Lake Tahoe at the beginning of September is 24.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °F by the end of September.
With an average of 3 rainy days, South Lake Tahoe experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
27
Dry days
3
Rainy days
0
Snow days
20°/10°
Temperatures
19 km/h
Avg max wind
52 %
Avg humidity
South Lake Tahoe Weather September
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Temperatures trend during September in South Lake Tahoe
See the weather trend as well as the moving average line
September weather in South Lake Tahoe day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 28° /15° | 0 mm | 7 | |
| Sept. 2 |  Thundery outbreaks possible | 23° /16° | 0 mm | 5 | |
| Sept. 3 | Partly cloudy | 25° /16° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 24° /13° | 0 mm | 6 | |
| Sept. 5 |  Sunny | 26° /14° | 0 mm | 7 | |
| Sept. 6 | Sunny | 24° /11° | 0 mm | 6 | |
| Sept. 7 |  Cloudy | 20° /9° | 0 mm | 5 | |
| Sept. 8 | Sunny | 21° /8° | 0 mm | 6 | |
| Sept. 9 | Thundery outbreaks possible | 13° /6° | 0 mm | 3 | |
| Sept. 10 |  Light rain shower | 12° /6° | 4.8 mm | 3 | |
| Sept. 11 | Light rain shower | 14° /5° | 3.1 mm | 3 | |
| Sept. 12 | Thundery outbreaks possible | 18° /6° | 0 mm | 4 | |
| Sept. 13 | Partly cloudy | 20° /9° | 0 mm | 6 | |
| Sept. 14 | Sunny | 23° /8° | 0 mm | 6 | |
| Sept. 15 | Partly cloudy | 23° /9° | 0 mm | 6 | |
| Sept. 16 | Partly cloudy | 23° /11° | 0 mm | 6 | |
| Sept. 17 | Partly cloudy | 24° /13° | 0 mm | 6 | |
| Sept. 18 |  Overcast | 21° /15° | 0 mm | 5 | |
| Sept. 19 | Light rain shower | 15° /9° | 21.3 mm | 4 | |
| Sept. 20 | Sunny | 19° /8° | 0 mm | 5 | |
| Sept. 21 | Thundery outbreaks possible | 19° /9° | 0 mm | 4 | |
| Sept. 22 | Sunny | 19° /10° | 0 mm | 5 | |
| Sept. 23 | Partly cloudy | 23° /10° | 0 mm | 6 | |
| Sept. 24 | Partly cloudy | 23° /11° | 0 mm | 6 | |
| Sept. 25 | Cloudy | 19° /11° | 0 mm | 4 | |
| Sept. 26 | Sunny | 23° /11° | 0 mm | 6 | |
| Sept. 27 | Partly cloudy | 22° /11° | 0 mm | 6 | |
| Sept. 28 | Thundery outbreaks possible | 18° /10° | 0 mm | 4 | |
| Sept. 29 | Thundery outbreaks possible | 16° /10° | 0 mm | 4 | |
| Sept. 30 | Overcast | 12° /5° | 0 mm | 3 | |
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Important Notice
Our weather forecast for South Lake Tahoe 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 South Lake Tahoe forecast closer to your planned date for the most up-to-date weather information.
Change Month
South Lake Tahoe in September - FAQ
What are the expected maximum and minimum temperatures in South Lake Tahoe during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Lake Tahoe during September?
In September, South Lake Tahoe can expect light to moderate rainfall, totaling 29.2 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in South Lake Tahoe during September?
The average wind speed in South Lake Tahoe during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in South Lake Tahoe
Explore the daily rainfall trends and prepare for South Lake Tahoes September weather 💧
UV exposure in South Lake Tahoe during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is South Lake Tahoe?Get accurate weather forecasts for South Lake Tahoe, located at latitude 38.933 and longitude -119.984. Stay updated with localized weather information tailored for South Lake Tahoe.
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