S
M
T
W
T
F
S
30
69°
47°
31
64°
53°
1
69°
53°
2
70°
52°
3
70°
49°
4
65°
50°
5
64°
50°
6
65°
51°
7
68°
47°
8
68°
47°
9
63°
50°
10
62°
52°
11
63°
51°
12
62°
46°
13
62°
50°
14
63°
52°
15
62°
46°
16
64°
45°
17
61°
45°
18
61°
51°
19
65°
48°
20
60°
46°
21
60°
44°
22
58°
44°
23
59°
43°
24
60°
43°
25
58°
44°
26
59°
45°
27
60°
47°
28
57°
46°
29
58°
45°
30
61°
49°
1
62°
48°
2
57°
44°
3
61°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Campbell Island
Campbell Island's September 2026 forecast shows daily high temperatures ranging from 57° to 70°, with overnight lows between 43° and 53°. The average high for September is 63° with an average low of 48°. 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 Campbell Island. See also: October | November | December.