S
M
T
W
T
F
S
30
74°
57°
31
80°
59°
1
81°
51°
2
80°
52°
3
73°
51°
4
74°
52°
5
74°
59°
6
77°
57°
7
80°
52°
8
73°
57°
9
72°
57°
10
74°
56°
11
75°
55°
12
76°
54°
13
73°
55°
14
70°
49°
15
70°
48°
16
71°
48°
17
69°
49°
18
69°
53°
19
73°
53°
20
72°
54°
21
74°
51°
22
70°
45°
23
68°
51°
24
67°
53°
25
73°
47°
26
72°
44°
27
Hist. Avg.
68°
45°
28
Hist. Avg.
67°
45°
29
Hist. Avg.
67°
45°
30
Hist. Avg.
67°
44°
1
Hist. Avg.
66°
44°
2
Hist. Avg.
66°
43°
3
Hist. Avg.
65°
43°
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 67° to 81°, with overnight lows between 44° and 59°. The average high for September is 73° with an average low of 52°. 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.
