S
M
T
W
T
F
S
30
80°
49°
31
81°
48°
1
80°
48°
2
79°
49°
3
78°
49°
4
78°
50°
5
79°
51°
6
79°
50°
7
80°
49°
8
80°
50°
9
79°
54°
10
80°
54°
11
83°
53°
12
84°
53°
13
83°
52°
14
84°
54°
15
85°
54°
16
85°
53°
17
84°
54°
18
84°
53°
19
83°
53°
20
82°
54°
21
83°
54°
22
85°
53°
23
84°
53°
24
82°
52°
25
77°
51°
26
75°
52°
27
76°
51°
28
77°
53°
29
80°
51°
30
77°
51°
1
78°
52°
2
78°
53°
3
83°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sisquoc
Sisquoc's September 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 48° and 54°. The average high for September is 81° 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 Sisquoc. See also: October | November | December.
