S
M
T
W
T
F
S
30
77°
56°
31
77°
60°
1
75°
60°
2
71°
60°
3
80°
63°
4
80°
62°
5
74°
57°
6
69°
52°
7
75°
48°
8
76°
52°
9
78°
57°
10
82°
61°
11
74°
54°
12
75°
49°
13
73°
64°
14
69°
49°
15
69°
46°
16
74°
52°
17
78°
61°
18
76°
62°
19
68°
54°
20
64°
57°
21
67°
54°
22
64°
51°
23
64°
48°
24
N/A
25
N/A
26
59°
54°
27
60°
56°
28
58°
50°
29
66°
52°
30
68°
53°
1
70°
61°
2
81°
53°
3
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Middlebury
Middlebury's September 2026 forecast shows daily high temperatures ranging from 68° to 81°, with overnight lows between 46° and 61°. The average high for September is 73° with an average low of 53°. 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 Middlebury. See also: October | November | December.
