S
M
T
W
T
F
S
30
53°
47°
31
52°
45°
1
51°
45°
2
49°
48°
3
51°
47°
4
50°
46°
5
50°
46°
6
51°
47°
7
49°
47°
8
50°
48°
9
50°
47°
10
49°
47°
11
49°
46°
12
50°
42°
13
49°
47°
14
49°
47°
15
50°
46°
16
49°
47°
17
49°
46°
18
50°
46°
19
50°
45°
20
49°
44°
21
47°
43°
22
48°
44°
23
47°
43°
24
46°
45°
25
48°
44°
26
50°
46°
27
Hist. Avg.
50°
44°
28
Hist. Avg.
50°
44°
29
Hist. Avg.
50°
44°
30
Hist. Avg.
50°
44°
1
Hist. Avg.
50°
44°
2
Hist. Avg.
49°
44°
3
Hist. Avg.
49°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Amchitka
Amchitka's September 2026 forecast shows daily high temperatures ranging from 46° to 53°, with overnight lows between 42° and 48°. The average high for September is 49° with an average low of 46°. 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.
