S
M
T
W
T
F
S
30
80°
62°
31
81°
61°
1
80°
56°
2
78°
53°
3
79°
55°
4
75°
57°
5
79°
57°
6
79°
56°
7
78°
51°
8
74°
49°
9
70°
50°
10
71°
58°
11
76°
51°
12
77°
57°
13
77°
57°
14
75°
56°
15
75°
58°
16
78°
56°
17
Hist. Avg.
72°
51°
18
Hist. Avg.
71°
50°
19
Hist. Avg.
71°
50°
20
Hist. Avg.
71°
50°
21
Hist. Avg.
70°
49°
22
Hist. Avg.
70°
49°
23
Hist. Avg.
69°
49°
24
Hist. Avg.
69°
48°
25
Hist. Avg.
68°
48°
26
Hist. Avg.
68°
48°
27
Hist. Avg.
68°
47°
28
Hist. Avg.
67°
47°
29
Hist. Avg.
67°
46°
30
Hist. Avg.
66°
46°
1
Hist. Avg.
66°
46°
2
Hist. Avg.
65°
45°
3
Hist. Avg.
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Omro
Omro's September 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 49° and 62°. The average high for September is 77° 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 Omro. See also: October | November | December.
