Measurements:
°C
°F
South Lake Tahoe
46°F
N 4 mph
Feels like: 44°F
Precip: 12%
World Resorts USA South Lake Tahoe Weather

7 Day Weather Forecast

09.15
tue
DAY
66°F
E 6 mph
precip
0%
NIGHT
44°F
NE 7 mph
precip
2%
09.16
wed
DAY
62°F
NE 14 mph
precip
0%
NIGHT
42°F
NE 5 mph
precip
7%
09.17
thu
DAY
58°F
NE 17 mph
precip
1%
NIGHT
42°F
NE 3 mph
precip
4%
09.18
fri
DAY
60°F
SW 4 mph
precip
1%
NIGHT
48°F
NW 4 mph
precip
2%
09.19
sat
DAY
64°F
SW 6 mph
precip
2%
NIGHT
52°F
N 2 mph
precip
12%
09.20
sun
DAY
66°F
NW 4 mph
precip
6%
NIGHT
52°F
E 4 mph
precip
6%
09.21
mon
DAY
66°F
SW 6 mph
precip
1%
NIGHT
52°F
E 3 mph
precip
3%

South Lake Tahoe Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for South Lake Tahoe was 18.1°F. The maximum and minimum values were 16.9°F and 20.3°F respectively.

South Lake Tahoe on the Weather Map

Best Time to Visit South Lake Tahoe
The most sunny months:
July 27 days
September 25 days
June 24 days
The most warm months:
July 80.1 °F
August 78.1 °F
September 71.9 °F
Warmest sea temperature:
August 70.8 °F
July 69.5 °F
September 67.3 °F
The most cold months:
January 36.1 °F
February 37.3 °F
December 38.9 °F
The most rainy months:
December 2 days
January 1 day
April 1 day
The most windy months:
March 7 mph
June 7 mph
February 6 mph