S
M
T
W
T
F
S
30
66°
48°
31
66°
49°
1
68°
49°
2
67°
50°
3
62°
44°
4
64°
45°
5
68°
48°
6
71°
39°
7
71°
37°
8
61°
38°
9
58°
37°
10
59°
37°
11
60°
39°
12
62°
39°
13
64°
44°
14
63°
45°
15
66°
38°
16
58°
42°
17
55°
44°
18
57°
46°
19
60°
43°
20
61°
39°
21
60°
40°
22
55°
39°
23
55°
38°
24
59°
43°
25
62°
44°
26
56°
38°
27
60°
42°
28
52°
33°
29
Hist. Avg.
58°
38°
30
Hist. Avg.
58°
38°
1
Hist. Avg.
57°
38°
2
Hist. Avg.
57°
37°
3
Hist. Avg.
57°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kapasiwin
Kapasiwin's September 2026 forecast shows daily high temperatures ranging from 52° to 71°, with overnight lows between 33° and 50°. The average high for September is 62° with an average low of 42°. 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 Kapasiwin. See also: October | November | December.