S
M
T
W
T
F
S
30
89°
65°
31
90°
66°
1
94°
69°
2
92°
70°
3
90°
69°
4
91°
68°
5
92°
69°
6
90°
68°
7
93°
68°
8
91°
67°
9
92°
68°
10
91°
68°
11
92°
67°
12
92°
67°
13
91°
61°
14
85°
61°
15
84°
60°
16
84°
60°
17
85°
64°
18
89°
65°
19
89°
65°
20
84°
63°
21
86°
64°
22
89°
65°
23
89°
59°
24
87°
57°
25
82°
56°
26
83°
57°
27
82°
56°
28
Hist. Avg.
83°
60°
29
Hist. Avg.
82°
59°
30
Hist. Avg.
82°
59°
1
Hist. Avg.
82°
58°
2
Hist. Avg.
81°
58°
3
Hist. Avg.
81°
58°
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 82° to 94°, with overnight lows between 56° and 70°. The average high for September is 89° with an average low of 64°. 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.
