S
M
T
W
T
F
S
31
55°
51°
1
55°
52°
2
56°
52°
3
55°
52°
4
53°
51°
5
54°
50°
6
55°
51°
7
53°
51°
8
54°
51°
9
54°
50°
10
53°
51°
11
55°
52°
12
54°
52°
13
55°
52°
14
54°
51°
15
55°
51°
16
54°
51°
17
54°
50°
18
53°
50°
19
52°
49°
20
53°
48°
21
54°
50°
22
55°
51°
23
54°
51°
24
53°
49°
25
53°
49°
26
53°
50°
27
55°
52°
28
55°
51°
29
55°
50°
30
53°
50°
1
54°
50°
2
53°
51°
3
53°
46°
4
49°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Amchitka
Amchitka's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Amchitka. See also: October | November | December.
