S
M
T
W
T
F
S
30
55°
42°
31
56°
46°
1
56°
43°
2
58°
47°
3
59°
47°
4
55°
48°
5
59°
48°
6
61°
47°
7
60°
46°
8
59°
45°
9
60°
42°
10
59°
39°
11
52°
40°
12
51°
38°
13
51°
38°
14
50°
39°
15
50°
38°
16
49°
37°
17
49°
37°
18
48°
36°
19
47°
34°
20
47°
36°
21
48°
41°
22
49°
35°
23
50°
34°
24
46°
34°
25
46°
35°
26
47°
34°
27
46°
33°
28
45°
33°
29
46°
32°
30
44°
33°
1
43°
32°
2
41°
31°
3
41°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Napakiak
Napakiak's September 2026 forecast shows daily high temperatures ranging from 41° to 61°, with overnight lows between 31° and 48°. The average high for September is 51° with an average low of 39°. 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 Napakiak. See also: October | November | December.
