S
M
T
W
T
F
S
30
84°
67°
31
89°
71°
1
92°
74°
2
94°
73°
3
94°
74°
4
90°
71°
5
82°
68°
6
77°
61°
7
79°
59°
8
86°
59°
9
86°
69°
10
82°
64°
11
80°
59°
12
79°
66°
13
81°
49°
14
72°
58°
15
87°
66°
16
87°
66°
17
84°
65°
18
79°
64°
19
76°
58°
20
68°
55°
21
69°
54°
22
71°
54°
23
74°
53°
24
73°
53°
25
75°
54°
26
76°
51°
27
77°
57°
28
76°
57°
29
75°
56°
30
76°
57°
1
74°
56°
2
75°
55°
3
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Montpelier
Montpelier's September 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 49° and 66°. The average high for September is 76° 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 Montpelier. See also: October | November | December.
