S
M
T
W
T
F
S
30
69°
52°
31
69°
53°
1
71°
52°
2
70°
52°
3
73°
51°
4
72°
51°
5
71°
50°
6
71°
52°
7
68°
47°
8
73°
51°
9
75°
55°
10
76°
55°
11
74°
54°
12
66°
53°
13
66°
46°
14
68°
46°
15
71°
49°
16
72°
47°
17
73°
50°
18
67°
46°
19
70°
47°
20
72°
49°
21
71°
53°
22
66°
50°
23
63°
46°
24
61°
51°
25
62°
48°
26
67°
51°
27
64°
51°
28
63°
47°
29
62°
43°
30
67°
48°
1
60°
43°
2
68°
49°
3
59°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Cushman State Park
Lake Cushman State Park's September 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 43° and 55°. The average high for September is 68° with an average low of 50°. 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 Lake Cushman State Park. See also: October | November | December.
