S
M
T
W
T
F
S
30
76°
55°
31
77°
62°
1
77°
63°
2
78°
62°
3
79°
56°
4
77°
52°
5
76°
54°
6
75°
53°
7
75°
54°
8
79°
55°
9
80°
59°
10
82°
52°
11
74°
52°
12
74°
57°
13
75°
50°
14
73°
51°
15
70°
53°
16
72°
52°
17
71°
53°
18
73°
49°
19
74°
48°
20
71°
50°
21
75°
48°
22
71°
55°
23
74°
54°
24
77°
56°
25
77°
55°
26
76°
55°
27
76°
54°
28
78°
53°
29
76°
49°
30
71°
53°
1
74°
54°
2
77°
46°
3
75°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wapakoneta
Wapakoneta's September 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 43° and 63°. The average high for September is 75° with an average low of 53°. 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 Wapakoneta. See also: October | November | December.
