S
M
T
W
T
F
S
30
93°
69°
31
93°
66°
1
94°
68°
2
93°
69°
3
92°
68°
4
87°
67°
5
90°
67°
6
91°
66°
7
90°
68°
8
91°
67°
9
92°
66°
10
91°
68°
11
90°
66°
12
90°
59°
13
88°
58°
14
80°
57°
15
80°
57°
16
82°
59°
17
86°
63°
18
87°
63°
19
84°
62°
20
82°
63°
21
87°
64°
22
88°
61°
23
87°
55°
24
83°
54°
25
76°
54°
26
Hist. Avg.
78°
55°
27
Hist. Avg.
78°
55°
28
Hist. Avg.
78°
54°
29
Hist. Avg.
77°
54°
30
Hist. Avg.
77°
53°
1
Hist. Avg.
77°
53°
2
Hist. Avg.
76°
52°
3
Hist. Avg.
76°
52°
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 76° to 94°, with overnight lows between 54° and 69°. The average high for September is 88° with an average low of 63°. 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.
