S
M
T
W
T
F
S
30
77°
71°
31
84°
72°
1
88°
76°
2
92°
77°
3
85°
69°
4
78°
69°
5
76°
68°
6
75°
62°
7
76°
61°
8
83°
63°
9
89°
66°
10
77°
69°
11
75°
66°
12
76°
66°
13
79°
65°
14
68°
60°
15
84°
71°
16
79°
70°
17
77°
68°
18
74°
64°
19
77°
69°
20
74°
64°
21
77°
65°
22
69°
58°
23
70°
56°
24
69°
58°
25
70°
58°
26
70°
56°
27
67°
58°
28
72°
59°
29
74°
62°
30
70°
61°
1
73°
62°
2
74°
60°
3
70°
60°
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 67° to 84°, with overnight lows between 56° and 71°. The average high for September is 73° with an average low of 62°. 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.
