S
M
T
W
T
F
S
30
76°
48°
31
72°
48°
1
74°
51°
2
77°
53°
3
80°
52°
4
79°
45°
5
72°
42°
6
66°
41°
7
68°
42°
8
67°
47°
9
73°
49°
10
76°
43°
11
73°
47°
12
71°
42°
13
68°
48°
14
73°
36°
15
67°
36°
16
62°
34°
17
60°
34°
18
61°
37°
19
62°
41°
20
68°
42°
21
70°
37°
22
62°
34°
23
60°
34°
24
59°
32°
25
58°
34°
26
59°
35°
27
59°
33°
28
58°
34°
29
61°
36°
30
68°
32°
1
67°
41°
2
67°
44°
3
Hist. Avg.
65°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cleveland
Cleveland's September 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 32° and 53°. The average high for September is 67° with an average low of 41°. 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 Cleveland. See also: October | November | December.
