S
M
T
W
T
F
S
30
77°
62°
31
75°
59°
1
75°
63°
2
75°
62°
3
76°
64°
4
75°
61°
5
74°
62°
6
76°
61°
7
75°
63°
8
75°
64°
9
76°
65°
10
77°
66°
11
76°
64°
12
75°
64°
13
77°
63°
14
77°
64°
15
76°
64°
16
77°
63°
17
76°
64°
18
72°
62°
19
69°
59°
20
68°
58°
21
68°
56°
22
69°
58°
23
70°
60°
24
69°
57°
25
69°
59°
26
70°
60°
27
69°
57°
28
70°
60°
29
70°
62°
30
71°
59°
1
70°
60°
2
70°
59°
3
71°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oxnard
Oxnard's September 2026 forecast shows daily high temperatures ranging from 68° to 77°, with overnight lows between 56° and 66°. The average high for September is 73° with an average low of 61°. 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 Oxnard. See also: October | November | December.