S
M
T
W
T
F
S
30
75°
55°
31
76°
58°
1
68°
62°
2
70°
63°
3
79°
62°
4
76°
58°
5
69°
56°
6
68°
50°
7
74°
45°
8
71°
51°
9
70°
56°
10
79°
62°
11
64°
42°
12
71°
58°
13
76°
52°
14
61°
41°
15
67°
54°
16
69°
55°
17
65°
54°
18
63°
49°
19
60°
45°
20
58°
43°
21
59°
42°
22
61°
44°
23
62°
47°
24
63°
41°
25
55°
36°
26
56°
38°
27
57°
45°
28
58°
43°
29
54°
36°
30
56°
44°
1
59°
43°
2
54°
38°
3
60°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Killington
Killington's September 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 36° and 58°. The average high for September is 61° with an average low of 45°. 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 Killington. See also: October | November | December.
