S
M
T
W
T
F
S
30
54°
46°
31
53°
45°
1
52°
45°
2
53°
44°
3
52°
45°
4
51°
46°
5
51°
43°
6
52°
43°
7
52°
42°
8
49°
42°
9
49°
43°
10
50°
44°
11
50°
43°
12
51°
45°
13
53°
45°
14
52°
41°
15
52°
42°
16
53°
41°
17
47°
42°
18
48°
43°
19
50°
44°
20
49°
43°
21
50°
43°
22
50°
42°
23
49°
43°
24
50°
43°
25
50°
42°
26
49°
37°
27
51°
42°
28
50°
42°
29
50°
41°
30
49°
42°
1
50°
42°
2
50°
41°
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 47° to 54°, with overnight lows between 37° and 46°. 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.