S
M
T
W
T
F
S
30
66°
52°
31
63°
59°
1
63°
57°
2
61°
52°
3
60°
52°
4
59°
50°
5
56°
52°
6
N/A
7
53°
48°
8
57°
47°
9
58°
54°
10
59°
54°
11
55°
50°
12
55°
47°
13
56°
48°
14
57°
45°
15
54°
44°
16
52°
43°
17
51°
46°
18
54°
46°
19
50°
41°
20
46°
39°
21
50°
46°
22
53°
46°
23
50°
45°
24
52°
45°
25
49°
44°
26
49°
45°
27
50°
44°
28
48°
44°
29
48°
43°
30
49°
44°
1
48°
44°
2
49°
43°
3
48°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Atka
Atka's September 2026 forecast shows daily high temperatures ranging from 46° to 59°, with overnight lows between 39° and 54°. The average high for September is 52° with an average low of 45°. 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 Atka. See also: October | November | December.