S
M
T
W
T
F
S
30
70°
61°
31
76°
52°
1
74°
58°
2
71°
64°
3
80°
61°
4
76°
56°
5
70°
58°
6
69°
50°
7
N/A
8
71°
56°
9
73°
65°
10
79°
52°
11
68°
47°
12
74°
58°
13
76°
56°
14
71°
54°
15
70°
58°
16
70°
49°
17
69°
52°
18
66°
51°
19
65°
51°
20
64°
38°
21
63°
52°
22
64°
52°
23
67°
51°
24
69°
49°
25
71°
51°
26
71°
46°
27
62°
43°
28
67°
48°
29
70°
50°
30
71°
50°
1
71°
49°
2
69°
50°
3
67°
48°
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 62° to 79°, with overnight lows between 38° and 65°. The average high for September is 69° with an average low of 51°. 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.
