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
N/A
9
89°
69°
10
75°
56°
11
80°
61°
12
84°
64°
13
83°
68°
14
85°
71°
15
77°
59°
16
74°
56°
17
73°
55°
18
70°
50°
19
69°
51°
20
66°
50°
21
70°
53°
22
68°
52°
23
74°
57°
24
78°
58°
25
74°
57°
26
78°
56°
27
77°
57°
28
77°
57°
29
76°
56°
30
76°
55°
1
74°
52°
2
69°
55°
3
75°
55°
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 66° to 89°, with overnight lows between 50° and 71°. 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.
