S
M
T
W
T
F
S
30
70°
51°
31
69°
53°
1
71°
52°
2
75°
52°
3
73°
56°
4
78°
57°
5
82°
58°
6
80°
55°
7
80°
53°
8
86°
57°
9
103°
63°
10
88°
64°
11
73°
59°
12
76°
59°
13
76°
54°
14
82°
52°
15
73°
58°
16
82°
52°
17
73°
54°
18
76°
56°
19
73°
56°
20
70°
57°
21
71°
56°
22
77°
52°
23
91°
56°
24
89°
55°
25
86°
54°
26
81°
53°
27
80°
50°
28
81°
52°
29
79°
51°
30
81°
52°
1
83°
52°
2
80°
49°
3
81°
54°
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 71° to 91°, with overnight lows between 49° and 56°. The average high for September is 82° with an average low of 53°. 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.
