S
M
T
W
T
F
S
30
72°
59°
31
73°
60°
1
74°
56°
2
77°
56°
3
75°
53°
4
76°
53°
5
74°
54°
6
78°
58°
7
78°
58°
8
77°
57°
9
77°
58°
10
76°
58°
11
76°
57°
12
78°
57°
13
77°
56°
14
77°
57°
15
76°
54°
16
76°
47°
17
71°
50°
18
67°
55°
19
72°
54°
20
75°
55°
21
74°
53°
22
73°
49°
23
71°
48°
24
65°
52°
25
67°
53°
26
Hist. Avg.
69°
48°
27
Hist. Avg.
69°
47°
28
Hist. Avg.
68°
47°
29
Hist. Avg.
68°
46°
30
Hist. Avg.
67°
46°
1
Hist. Avg.
67°
46°
2
Hist. Avg.
66°
45°
3
Hist. Avg.
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bear Island
Bear Island's September 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 47° and 60°. The average high for September is 74° with an average low of 55°. 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 Bear Island. See also: October | November | December.
