S
M
T
W
T
F
S
30
74°
53°
31
75°
52°
1
73°
52°
2
72°
53°
3
72°
56°
4
71°
54°
5
74°
52°
6
73°
53°
7
71°
52°
8
72°
51°
9
70°
51°
10
71°
57°
11
71°
51°
12
74°
51°
13
74°
50°
14
72°
55°
15
73°
54°
16
72°
50°
17
69°
49°
18
69°
49°
19
70°
54°
20
70°
54°
21
73°
53°
22
71°
52°
23
72°
53°
24
73°
51°
25
71°
52°
26
67°
45°
27
72°
47°
28
65°
46°
29
64°
46°
30
68°
47°
1
67°
45°
2
Hist. Avg.
68°
47°
3
Hist. Avg.
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Martha's Vineyard Airport
Martha's Vineyard Airport's September 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 45° and 57°. The average high for September is 71° 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 Martha's Vineyard Airport. See also: October | November | December.
