S
M
T
W
T
F
S
30
61°
49°
31
61°
48°
1
62°
48°
2
65°
41°
3
60°
41°
4
59°
42°
5
57°
41°
6
58°
40°
7
56°
40°
8
57°
41°
9
56°
39°
10
55°
39°
11
55°
38°
12
56°
38°
13
55°
39°
14
54°
37°
15
54°
40°
16
53°
37°
17
53°
36°
18
51°
35°
19
51°
36°
20
52°
35°
21
51°
35°
22
51°
34°
23
50°
34°
24
49°
35°
25
49°
33°
26
48°
30°
27
48°
36°
28
49°
39°
29
48°
38°
30
48°
38°
1
49°
37°
2
52°
36°
3
52°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Knik-Fairview
Knik-Fairview's September 2026 forecast shows daily high temperatures ranging from 48° to 65°, with overnight lows between 30° and 49°. The average high for September is 54° with an average low of 38°. 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-Fairview. See also: October | November | December.
