S
M
T
W
T
F
S
30
71°
53°
31
68°
54°
1
69°
53°
2
71°
53°
3
72°
52°
4
70°
52°
5
69°
53°
6
71°
53°
7
72°
52°
8
71°
52°
9
71°
53°
10
72°
53°
11
71°
52°
12
70°
52°
13
71°
51°
14
71°
52°
15
70°
50°
16
70°
43°
17
69°
44°
18
62°
50°
19
68°
51°
20
69°
51°
21
68°
50°
22
69°
45°
23
68°
42°
24
Hist. Avg.
61°
43°
25
Hist. Avg.
60°
42°
26
Hist. Avg.
60°
42°
27
Hist. Avg.
60°
42°
28
Hist. Avg.
59°
42°
29
Hist. Avg.
59°
41°
30
Hist. Avg.
59°
41°
1
Hist. Avg.
58°
41°
2
Hist. Avg.
58°
41°
3
Hist. Avg.
58°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Ohio
Ohio's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 42° and 54°. The average high for September is 70° 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 Ohio. See also: October | November | December.
