S
M
T
W
T
F
S
30
65°
56°
31
65°
57°
1
69°
61°
2
70°
61°
3
71°
60°
4
68°
57°
5
71°
56°
6
69°
57°
7
81°
57°
8
85°
61°
9
94°
65°
10
76°
59°
11
66°
58°
12
68°
59°
13
66°
58°
14
71°
57°
15
66°
57°
16
63°
57°
17
70°
59°
18
66°
57°
19
66°
57°
20
60°
55°
21
61°
56°
22
62°
56°
23
75°
56°
24
82°
59°
25
73°
53°
26
68°
54°
27
67°
53°
28
72°
55°
29
77°
55°
30
76°
56°
1
74°
55°
2
75°
57°
3
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sausalito
Sausalito's September 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 53° and 59°. The average high for September is 74° 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 Sausalito. See also: October | November | December.
