S
M
T
W
T
F
S
30
93°
70°
31
94°
70°
1
91°
69°
2
92°
70°
3
89°
71°
4
90°
70°
5
88°
69°
6
88°
71°
7
91°
71°
8
90°
70°
9
90°
68°
10
92°
70°
11
92°
70°
12
91°
69°
13
91°
69°
14
90°
67°
15
86°
68°
16
87°
68°
17
86°
67°
18
85°
68°
19
84°
68°
20
85°
67°
21
86°
68°
22
85°
67°
23
84°
63°
24
89°
62°
25
83°
62°
26
83°
63°
27
86°
65°
28
86°
65°
29
87°
65°
30
Hist. Avg.
84°
61°
1
Hist. Avg.
84°
61°
2
Hist. Avg.
83°
61°
3
Hist. Avg.
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cleveland
Cleveland's September 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 62° and 71°. The average high for September is 88° with an average low of 68°. 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.
