S
M
T
W
T
F
S
30
82°
58°
31
83°
58°
1
86°
60°
2
84°
59°
3
81°
62°
4
86°
61°
5
86°
62°
6
85°
61°
7
84°
56°
8
80°
58°
9
83°
60°
10
83°
60°
11
82°
59°
12
84°
60°
13
84°
54°
14
78°
52°
15
77°
52°
16
77°
53°
17
78°
56°
18
82°
58°
19
81°
57°
20
82°
58°
21
75°
56°
22
80°
57°
23
80°
56°
24
81°
50°
25
74°
48°
26
73°
47°
27
Hist. Avg.
77°
48°
28
Hist. Avg.
76°
48°
29
Hist. Avg.
76°
48°
30
Hist. Avg.
76°
47°
1
Hist. Avg.
75°
47°
2
Hist. Avg.
75°
47°
3
Hist. Avg.
75°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Knifley
Knifley's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 47° and 62°. The average high for September is 81° with an average low of 57°. 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 Knifley. See also: October | November | December.
