S
M
T
W
T
F
S
30
84°
62°
31
85°
62°
1
84°
63°
2
84°
62°
3
85°
66°
4
88°
61°
5
87°
66°
6
88°
63°
7
83°
65°
8
85°
64°
9
83°
65°
10
81°
64°
11
86°
63°
12
86°
64°
13
85°
63°
14
86°
64°
15
86°
63°
16
85°
63°
17
85°
62°
18
84°
58°
19
82°
59°
20
81°
55°
21
78°
57°
22
77°
60°
23
81°
58°
24
82°
57°
25
83°
57°
26
83°
58°
27
81°
59°
28
81°
57°
29
80°
56°
30
80°
56°
1
79°
54°
2
82°
56°
3
74°
55°
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 74° to 88°, with overnight lows between 54° and 66°. The average high for September is 83° with an average low of 60°. 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.
