S
M
T
W
T
F
S
30
56°
41°
31
55°
43°
1
54°
41°
2
55°
42°
3
55°
42°
4
56°
41°
5
54°
40°
6
54°
40°
7
53°
42°
8
53°
42°
9
54°
36°
10
53°
40°
11
54°
42°
12
55°
43°
13
53°
43°
14
57°
42°
15
56°
40°
16
55°
38°
17
56°
39°
18
52°
36°
19
55°
40°
20
55°
40°
21
51°
37°
22
54°
38°
23
Hist. Avg.
53°
38°
24
Hist. Avg.
53°
38°
25
Hist. Avg.
53°
38°
26
Hist. Avg.
52°
37°
27
Hist. Avg.
52°
37°
28
Hist. Avg.
52°
37°
29
Hist. Avg.
51°
36°
30
Hist. Avg.
51°
36°
1
Hist. Avg.
50°
36°
2
Hist. Avg.
50°
35°
3
Hist. Avg.
50°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kasilof
Kasilof's September 2026 forecast shows daily high temperatures ranging from 51° to 57°, with overnight lows between 36° and 43°. The average high for September is 54° with an average low of 40°. 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 Kasilof. See also: October | November | December.
