S
M
T
W
T
F
S
30
79°
49°
31
75°
63°
1
70°
57°
2
73°
54°
3
77°
58°
4
82°
58°
5
75°
53°
6
70°
55°
7
75°
49°
8
79°
51°
9
78°
63°
10
80°
68°
11
73°
51°
12
74°
43°
13
73°
53°
14
75°
57°
15
68°
42°
16
71°
41°
17
77°
56°
18
79°
54°
19
65°
46°
20
64°
52°
21
64°
57°
22
67°
57°
23
65°
56°
24
65°
57°
25
62°
55°
26
62°
55°
27
68°
61°
28
72°
58°
29
63°
56°
30
68°
51°
1
75°
52°
2
74°
65°
3
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vineyard Haven
Vineyard Haven's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Vineyard Haven. See also: October | November | December.