S
M
T
W
T
F
S
30
81°
56°
31
81°
57°
1
80°
56°
2
81°
56°
3
81°
57°
4
80°
56°
5
81°
52°
6
79°
49°
7
74°
48°
8
74°
49°
9
76°
52°
10
79°
55°
11
79°
51°
12
78°
52°
13
79°
55°
14
79°
53°
15
78°
52°
16
77°
50°
17
76°
52°
18
78°
53°
19
79°
53°
20
78°
49°
21
75°
51°
22
72°
54°
23
71°
50°
24
73°
53°
25
73°
50°
26
75°
48°
27
73°
49°
28
72°
49°
29
72°
48°
30
71°
50°
1
71°
57°
2
78°
55°
3
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gaviota
Gaviota's September 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 48° and 57°. The average high for September is 77° with an average low of 52°. 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 Gaviota. See also: October | November | December.
