S
M
T
W
T
F
S
30
68°
55°
31
68°
56°
1
66°
56°
2
66°
55°
3
67°
56°
4
70°
56°
5
68°
55°
6
68°
55°
7
67°
54°
8
70°
56°
9
71°
56°
10
69°
55°
11
68°
55°
12
69°
54°
13
71°
55°
14
66°
55°
15
68°
54°
16
70°
54°
17
67°
53°
18
65°
54°
19
64°
55°
20
63°
54°
21
63°
50°
22
64°
50°
23
63°
52°
24
63°
50°
25
64°
51°
26
62°
48°
27
62°
51°
28
63°
48°
29
69°
51°
30
69°
52°
1
68°
53°
2
69°
52°
3
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cape Blanco State Park
Cape Blanco State Park's September 2026 forecast shows daily high temperatures ranging from 62° to 71°, with overnight lows between 46° and 56°. The average high for September is 67° with an average low of 53°. 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 Cape Blanco State Park. See also: October | November | December.
