S
M
T
W
T
F
S
30
62°
49°
31
60°
52°
1
58°
51°
2
58°
49°
3
59°
49°
4
61°
48°
5
60°
48°
6
61°
49°
7
57°
48°
8
58°
49°
9
57°
48°
10
58°
47°
11
58°
48°
12
58°
52°
13
Hist. Avg.
58°
49°
14
Hist. Avg.
58°
48°
15
Hist. Avg.
58°
48°
16
Hist. Avg.
58°
48°
17
Hist. Avg.
58°
48°
18
Hist. Avg.
57°
48°
19
Hist. Avg.
57°
48°
20
Hist. Avg.
57°
47°
21
Hist. Avg.
57°
47°
22
Hist. Avg.
56°
47°
23
Hist. Avg.
56°
47°
24
Hist. Avg.
56°
47°
25
Hist. Avg.
56°
46°
26
Hist. Avg.
56°
46°
27
Hist. Avg.
55°
46°
28
Hist. Avg.
55°
46°
29
Hist. Avg.
55°
46°
30
Hist. Avg.
54°
45°
1
Hist. Avg.
54°
45°
2
Hist. Avg.
54°
45°
3
Hist. Avg.
54°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sitka
Sitka's September 2026 forecast shows daily high temperatures ranging from 57° to 62°, with overnight lows between 47° and 52°. The average high for September is 59° with an average low of 49°. 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 Sitka. See also: October | November | December.
