S
M
T
W
T
F
S
30
73°
55°
31
76°
50°
1
N/A
2
70°
58°
3
72°
59°
4
73°
54°
5
67°
48°
6
72°
47°
7
75°
50°
8
70°
49°
9
72°
56°
10
71°
53°
11
70°
52°
12
71°
53°
13
69°
49°
14
65°
42°
15
65°
45°
16
68°
51°
17
71°
46°
18
62°
43°
19
63°
41°
20
69°
48°
21
71°
51°
22
71°
51°
23
70°
49°
24
69°
48°
25
69°
46°
26
70°
48°
27
69°
49°
28
69°
47°
29
66°
42°
30
57°
38°
1
56°
38°
2
61°
46°
3
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Montpelier
Montpelier's September 2026 forecast shows daily high temperatures ranging from 56° to 75°, with overnight lows between 38° and 59°. 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 Montpelier. See also: October | November | December.
