S
M
T
W
T
F
S
30
55°
47°
31
55°
43°
1
54°
43°
2
54°
44°
3
50°
45°
4
52°
46°
5
54°
46°
6
53°
45°
7
54°
46°
8
53°
45°
9
53°
45°
10
52°
44°
11
53°
45°
12
52°
44°
13
53°
45°
14
52°
44°
15
51°
43°
16
52°
44°
17
51°
44°
18
52°
43°
19
52°
44°
20
51°
43°
21
51°
43°
22
50°
42°
23
51°
37°
24
51°
42°
25
50°
42°
26
50°
40°
27
49°
39°
28
46°
41°
29
49°
41°
30
48°
40°
1
49°
42°
2
50°
42°
3
49°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Akutan
Akutan's September 2026 forecast shows daily high temperatures ranging from 46° to 55°, with overnight lows between 37° and 47°. The average high for September is 51° 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 Akutan. See also: October | November | December.