S
M
T
W
T
F
S
30
76°
55°
31
76°
53°
1
77°
54°
2
77°
53°
3
78°
54°
4
79°
52°
5
78°
54°
6
77°
53°
7
75°
51°
8
76°
50°
9
74°
53°
10
75°
50°
11
74°
49°
12
74°
49°
13
76°
55°
14
76°
50°
15
80°
52°
16
80°
56°
17
79°
57°
18
81°
55°
19
80°
46°
20
74°
47°
21
70°
53°
22
71°
52°
23
74°
53°
24
77°
54°
25
76°
45°
26
75°
42°
27
71°
45°
28
67°
44°
29
67°
44°
30
66°
42°
1
Hist. Avg.
69°
45°
2
Hist. Avg.
68°
44°
3
Hist. Avg.
68°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wauseon
Wauseon's September 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 42° and 57°. The average high for September is 75° with an average low of 51°. 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 Wauseon. See also: October | November | December.
