S
M
T
W
T
F
S
30
76°
66°
31
77°
67°
1
77°
67°
2
78°
68°
3
77°
69°
4
77°
66°
5
76°
61°
6
74°
65°
7
76°
64°
8
76°
66°
9
77°
67°
10
77°
66°
11
76°
66°
12
77°
65°
13
77°
66°
14
76°
67°
15
76°
66°
16
74°
65°
17
73°
64°
18
71°
59°
19
70°
54°
20
64°
59°
21
67°
59°
22
66°
52°
23
64°
52°
24
65°
61°
25
68°
60°
26
65°
62°
27
64°
61°
28
67°
59°
29
63°
60°
30
63°
59°
1
64°
49°
2
62°
48°
3
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pelee Island South
Pelee Island South's September 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 47° and 69°. The average high for September is 71° with an average low of 61°. 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 Pelee Island South. See also: October | November | December.
