S
M
T
W
T
F
S
30
90°
54°
31
77°
55°
1
78°
56°
2
80°
55°
3
76°
55°
4
81°
52°
5
83°
54°
6
83°
53°
7
87°
53°
8
93°
62°
9
92°
68°
10
98°
64°
11
85°
58°
12
82°
60°
13
83°
60°
14
91°
59°
15
92°
59°
16
90°
60°
17
88°
56°
18
84°
60°
19
89°
60°
20
90°
59°
21
91°
60°
22
90°
59°
23
87°
59°
24
86°
58°
25
89°
59°
26
90°
60°
27
90°
60°
28
89°
59°
29
89°
60°
30
88°
60°
1
89°
59°
2
87°
59°
3
84°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vineyard
Vineyard's September 2026 forecast shows daily high temperatures ranging from 81° to 98°, with overnight lows between 52° and 68°. The average high for September is 88° with an average low of 59°. 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. See also: October | November | December.
