S
M
T
W
T
F
S
30
69°
49°
31
69°
48°
1
71°
53°
2
71°
57°
3
70°
58°
4
78°
58°
5
79°
56°
6
77°
48°
7
71°
48°
8
69°
47°
9
72°
46°
10
69°
48°
11
69°
50°
12
67°
47°
13
72°
53°
14
74°
53°
15
74°
52°
16
67°
51°
17
66°
52°
18
68°
51°
19
70°
44°
20
66°
46°
21
69°
43°
22
69°
42°
23
64°
42°
24
64°
43°
25
65°
46°
26
63°
41°
27
63°
43°
28
62°
45°
29
60°
40°
30
61°
40°
1
61°
46°
2
67°
40°
3
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jiminy Peak
Jiminy Peak's September 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 40° and 58°. The average high for September is 68° with an average low of 48°. 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 Jiminy Peak. See also: October | November | December.
