S
M
T
W
T
F
S
30
86°
62°
31
89°
64°
1
90°
63°
2
91°
64°
3
90°
66°
4
91°
67°
5
91°
65°
6
89°
65°
7
86°
64°
8
88°
59°
9
83°
59°
10
81°
62°
11
82°
60°
12
80°
65°
13
81°
63°
14
80°
57°
15
79°
56°
16
87°
56°
17
82°
57°
18
Hist. Avg.
88°
60°
19
Hist. Avg.
88°
60°
20
Hist. Avg.
87°
59°
21
Hist. Avg.
87°
59°
22
Hist. Avg.
87°
59°
23
Hist. Avg.
86°
59°
24
Hist. Avg.
86°
58°
25
Hist. Avg.
86°
58°
26
Hist. Avg.
86°
58°
27
Hist. Avg.
85°
58°
28
Hist. Avg.
85°
58°
29
Hist. Avg.
84°
57°
30
Hist. Avg.
84°
57°
1
Hist. Avg.
84°
57°
2
Hist. Avg.
83°
56°
3
Hist. Avg.
83°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Squaw Valley
Squaw Valley's September 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 56° and 67°. The average high for September is 86° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Squaw Valley. See also: October | November | December.
