S
M
T
W
T
F
S
30
57°
44°
31
60°
45°
1
55°
41°
2
54°
39°
3
53°
39°
4
53°
40°
5
54°
37°
6
52°
41°
7
53°
40°
8
52°
38°
9
52°
38°
10
53°
39°
11
51°
37°
12
51°
38°
13
52°
37°
14
50°
36°
15
49°
35°
16
49°
38°
17
48°
41°
18
49°
40°
19
48°
40°
20
Hist. Avg.
52°
27°
21
Hist. Avg.
52°
27°
22
Hist. Avg.
51°
26°
23
Hist. Avg.
51°
26°
24
Hist. Avg.
50°
26°
25
Hist. Avg.
50°
25°
26
Hist. Avg.
49°
25°
27
Hist. Avg.
48°
25°
28
Hist. Avg.
48°
24°
29
Hist. Avg.
47°
24°
30
Hist. Avg.
46°
24°
1
Hist. Avg.
46°
23°
2
Hist. Avg.
45°
23°
3
Hist. Avg.
44°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Knik River
Knik River's September 2026 forecast shows daily high temperatures ranging from 48° to 60°, with overnight lows between 35° and 45°. The average high for September is 52° 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 Knik River. See also: October | November | December.
