S
M
T
W
T
F
S
30
83°
70°
31
91°
73°
1
90°
71°
2
88°
66°
3
86°
71°
4
89°
74°
5
83°
68°
6
81°
65°
7
81°
66°
8
79°
69°
9
83°
57°
10
80°
59°
11
81°
62°
12
79°
58°
13
71°
56°
14
69°
54°
15
71°
53°
16
73°
55°
17
74°
58°
18
71°
55°
19
68°
53°
20
71°
44°
21
71°
57°
22
74°
57°
23
76°
58°
24
77°
58°
25
77°
57°
26
75°
57°
27
76°
58°
28
77°
58°
29
74°
57°
30
75°
56°
1
73°
50°
2
62°
47°
3
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Holmen
Holmen's September 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 42° and 69°. The average high for September is 74° with an average low of 56°. 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 Holmen. See also: October | November | December.
