S
M
T
W
T
F
S
30
80°
57°
31
81°
58°
1
81°
58°
2
80°
57°
3
76°
57°
4
77°
56°
5
80°
57°
6
78°
57°
7
82°
56°
8
82°
58°
9
81°
57°
10
82°
56°
11
80°
56°
12
82°
57°
13
83°
56°
14
84°
57°
15
83°
56°
16
82°
55°
17
82°
55°
18
79°
54°
19
76°
54°
20
77°
55°
21
81°
55°
22
82°
54°
23
79°
55°
24
80°
54°
25
80°
54°
26
81°
53°
27
81°
54°
28
80°
54°
29
81°
53°
30
80°
53°
1
77°
52°
2
77°
53°
3
79°
54°
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 76° to 84°, with overnight lows between 52° and 58°. The average high for September is 80° with an average low of 55°. 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.
