S
M
T
W
T
F
S
30
59°
36°
31
58°
43°
1
58°
33°
2
63°
40°
3
63°
50°
4
58°
51°
5
61°
47°
6
60°
52°
7
61°
48°
8
57°
48°
9
58°
46°
10
57°
45°
11
56°
44°
12
56°
43°
13
54°
45°
14
57°
43°
15
47°
40°
16
56°
41°
17
51°
43°
18
52°
44°
19
51°
43°
20
53°
43°
21
52°
40°
22
50°
36°
23
51°
34°
24
51°
38°
25
50°
41°
26
49°
42°
27
52°
42°
28
54°
41°
29
53°
40°
30
52°
40°
1
51°
41°
2
53°
40°
3
52°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kenai
Kenai's September 2026 forecast shows daily high temperatures ranging from 47° to 63°, with overnight lows between 34° and 52°. The average high for September is 54° with an average low of 43°. 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 Kenai. See also: October | November | December.
