S
M
T
W
T
F
S
30
87°
61°
31
80°
59°
1
79°
63°
2
79°
65°
3
81°
60°
4
83°
66°
5
85°
66°
6
86°
59°
7
83°
59°
8
78°
58°
9
77°
57°
10
77°
63°
11
82°
57°
12
79°
58°
13
76°
57°
14
75°
63°
15
80°
62°
16
82°
55°
17
82°
54°
18
73°
53°
19
72°
54°
20
73°
59°
21
72°
57°
22
72°
53°
23
71°
57°
24
71°
56°
25
73°
58°
26
76°
59°
27
77°
53°
28
77°
51°
29
70°
56°
30
69°
57°
1
70°
58°
2
73°
55°
3
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Corner Ketch
Corner Ketch's September 2026 forecast shows daily high temperatures ranging from 69° to 87°, with overnight lows between 49° and 66°. The average high for September is 77° with an average low of 58°. 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 Corner Ketch. See also: October | November | December.
