S
M
T
W
T
F
S
30
73°
61°
31
75°
68°
1
77°
68°
2
75°
67°
3
79°
64°
4
76°
57°
5
74°
60°
6
73°
59°
7
73°
60°
8
78°
62°
9
78°
65°
10
80°
58°
11
73°
57°
12
72°
63°
13
73°
56°
14
73°
56°
15
68°
60°
16
70°
58°
17
69°
59°
18
71°
54°
19
73°
54°
20
69°
57°
21
73°
54°
22
69°
60°
23
73°
59°
24
76°
61°
25
76°
60°
26
75°
60°
27
75°
61°
28
76°
59°
29
74°
52°
30
69°
58°
1
73°
60°
2
75°
51°
3
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kelleys Island
Kelleys Island's September 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 48° and 68°. The average high for September is 74° with an average low of 59°. 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 Kelleys Island. See also: October | November | December.
