S
M
T
W
T
F
S
30
76°
58°
31
79°
58°
1
79°
53°
2
73°
53°
3
70°
54°
4
69°
53°
5
70°
52°
6
71°
59°
7
76°
62°
8
80°
56°
9
75°
53°
10
71°
52°
11
71°
59°
12
72°
51°
13
73°
51°
14
68°
49°
15
68°
52°
16
69°
58°
17
73°
49°
18
67°
50°
19
67°
49°
20
70°
47°
21
65°
51°
22
64°
57°
23
74°
57°
24
74°
55°
25
72°
56°
26
70°
56°
27
73°
54°
28
72°
53°
29
69°
55°
30
70°
55°
1
71°
43°
2
72°
42°
3
59°
43°
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 59° to 80°, with overnight lows between 42° and 62°. The average high for September is 71° 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 Cleveland. See also: October | November | December.
