S
M
T
W
T
F
S
30
71°
51°
31
73°
51°
1
72°
45°
2
78°
42°
3
73°
45°
4
76°
49°
5
73°
49°
6
67°
50°
7
68°
48°
8
73°
41°
9
73°
48°
10
75°
50°
11
75°
44°
12
70°
39°
13
68°
44°
14
67°
50°
15
72°
38°
16
73°
40°
17
62°
38°
18
59°
36°
19
60°
35°
20
61°
39°
21
63°
38°
22
60°
35°
23
61°
34°
24
57°
33°
25
58°
34°
26
57°
35°
27
59°
35°
28
58°
42°
29
58°
33°
30
58°
36°
1
58°
32°
2
Hist. Avg.
59°
38°
3
Hist. Avg.
59°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Claude
St. Claude's September 2026 forecast shows daily high temperatures ranging from 57° to 78°, with overnight lows between 32° and 51°. The average high for September is 66° with an average low of 41°. 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 St. Claude. See also: October | November | December.
