S
M
T
W
T
F
S
30
78°
57°
31
80°
51°
1
80°
49°
2
72°
49°
3
69°
50°
4
69°
49°
5
70°
49°
6
72°
58°
7
78°
58°
8
80°
49°
9
76°
49°
10
72°
48°
11
71°
57°
12
74°
47°
13
75°
46°
14
67°
46°
15
68°
53°
16
71°
54°
17
74°
45°
18
67°
48°
19
68°
45°
20
73°
44°
21
66°
49°
22
65°
55°
23
75°
52°
24
75°
51°
25
72°
53°
26
72°
53°
27
74°
51°
28
73°
51°
29
71°
52°
30
72°
51°
1
73°
39°
2
73°
38°
3
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Willmar Township
Willmar Township's September 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 38° and 58°. The average high for September is 72° 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 Willmar Township. See also: October | November | December.
