S
M
T
W
T
F
S
30
78°
65°
31
84°
72°
1
84°
71°
2
93°
70°
3
93°
68°
4
81°
66°
5
77°
54°
6
77°
57°
7
81°
56°
8
83°
69°
9
89°
63°
10
75°
54°
11
76°
54°
12
81°
58°
13
83°
58°
14
84°
60°
15
82°
58°
16
80°
57°
17
77°
55°
18
80°
51°
19
79°
57°
20
79°
57°
21
76°
55°
22
69°
54°
23
70°
55°
24
75°
55°
25
78°
54°
26
77°
54°
27
75°
53°
28
77°
55°
29
78°
56°
30
78°
56°
1
77°
53°
2
73°
48°
3
63°
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 63° to 89°, with overnight lows between 44° and 69°. The average high for September is 78° 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 Wauseon. See also: October | November | December.
