The weather in South Lake Tahoe in September is very cold with temperatures between 4°C and 25°C, warm clothes are a must.
The wather in South Lake Tahoe in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in South Lake Tahoe in September 2025.
If you’re planning to visit South Lake Tahoe in the near future, we highly recommend that you review the 14 day weather forecast for South Lake Tahoe before you arrive.
Temperatures
25° / 4°
Rainy Days
1
Snowy Days
0
Dry Days
28
Rainfall
14
mm
Sun Hours
11.9
Hrs