S
M
T
W
T
F
S
30
56°
35°
31
55°
44°
1
54°
40°
2
50°
37°
3
52°
30°
4
46°
40°
5
44°
40°
6
63°
41°
7
54°
40°
8
52°
38°
9
54°
47°
10
55°
43°
11
55°
49°
12
53°
48°
13
54°
43°
14
54°
29°
15
47°
28°
16
50°
40°
17
52°
34°
18
55°
38°
19
51°
38°
20
54°
36°
21
43°
38°
22
43°
30°
23
44°
34°
24
47°
29°
25
49°
26°
26
52°
28°
27
53°
29°
28
50°
26°
29
42°
23°
30
38°
32°
1
35°
27°
2
33°
23°
3
34°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chalkyitsik
Chalkyitsik's September 2026 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 Chalkyitsik. See also: October | November | December.
