S
M
T
W
T
F
S
30
81°
66°
31
87°
67°
1
87°
62°
2
87°
66°
3
87°
70°
4
90°
71°
5
82°
67°
6
73°
67°
7
78°
66°
8
81°
65°
9
83°
56°
10
80°
52°
11
83°
52°
12
73°
51°
13
70°
47°
14
69°
51°
15
70°
52°
16
75°
46°
17
71°
59°
18
69°
61°
19
67°
56°
20
67°
52°
21
63°
49°
22
64°
48°
23
68°
51°
24
71°
52°
25
69°
53°
26
69°
53°
27
71°
52°
28
71°
48°
29
69°
47°
30
68°
43°
1
72°
49°
2
65°
48°
3
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ventura
Ventura's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 43° and 61°. The average high for September is 68° 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 Ventura. See also: October | November | December.
