S
M
T
W
T
F
S
30
76°
59°
31
76°
58°
1
82°
59°
2
83°
54°
3
81°
50°
4
74°
55°
5
74°
58°
6
81°
52°
7
77°
49°
8
71°
49°
9
73°
55°
10
72°
57°
11
73°
56°
12
80°
56°
13
79°
54°
14
78°
47°
15
70°
47°
16
68°
51°
17
69°
47°
18
68°
45°
19
69°
42°
20
67°
43°
21
67°
48°
22
68°
48°
23
72°
44°
24
71°
51°
25
74°
52°
26
71°
52°
27
74°
51°
28
74°
46°
29
72°
45°
30
63°
46°
1
68°
47°
2
72°
48°
3
64°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Devils Lake State Park
Devils Lake State Park's September 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 39° and 59°. The average high for September is 73° 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 Devils Lake State Park. See also: October | November | December.
