S
M
T
W
T
F
S
30
69°
61°
31
75°
64°
1
80°
64°
2
78°
61°
3
76°
56°
4
74°
53°
5
76°
54°
6
77°
51°
7
77°
50°
8
73°
57°
9
78°
64°
10
69°
48°
11
76°
44°
12
78°
58°
13
67°
52°
14
64°
44°
15
72°
54°
16
69°
46°
17
72°
46°
18
61°
43°
19
65°
40°
20
64°
47°
21
59°
40°
22
62°
45°
23
64°
46°
24
66°
50°
25
67°
50°
26
68°
50°
27
67°
53°
28
65°
54°
29
66°
54°
30
64°
50°
1
63°
53°
2
65°
46°
3
56°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Drummond Island
Drummond Island's September 2026 forecast shows daily high temperatures ranging from 56° to 68°, with overnight lows between 45° and 54°. The average high for September is 64° with an average low of 50°. 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 Drummond Island. See also: October | November | December.