S
M
T
W
T
F
S
30
69°
52°
31
71°
51°
1
69°
52°
2
71°
52°
3
69°
51°
4
68°
51°
5
67°
49°
6
66°
50°
7
66°
49°
8
71°
47°
9
69°
49°
10
75°
49°
11
71°
48°
12
72°
47°
13
66°
47°
14
65°
40°
15
61°
37°
16
61°
43°
17
63°
45°
18
65°
46°
19
63°
47°
20
61°
46°
21
72°
43°
22
72°
41°
23
71°
39°
24
69°
30°
25
62°
39°
26
68°
40°
27
67°
36°
28
61°
31°
29
62°
26°
30
61°
30°
1
55°
37°
2
66°
39°
3
67°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Frobisher
Frobisher's September 2026 forecast shows daily high temperatures ranging from 55° to 75°, with overnight lows between 26° and 52°. The average high for September is 67° with an average low of 43°. 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 Frobisher. See also: October | November | December.