S
M
T
W
T
F
S
30
74°
58°
31
74°
58°
1
75°
57°
2
75°
58°
3
69°
58°
4
69°
57°
5
72°
57°
6
71°
58°
7
69°
58°
8
70°
57°
9
69°
57°
10
70°
58°
11
70°
56°
12
71°
55°
13
74°
55°
14
72°
56°
15
72°
56°
16
73°
55°
17
69°
58°
18
69°
57°
19
75°
59°
20
75°
59°
21
69°
53°
22
69°
55°
23
72°
55°
24
74°
56°
25
75°
57°
26
76°
56°
27
75°
52°
28
69°
52°
29
68°
53°
30
68°
54°
1
72°
54°
2
75°
57°
3
74°
58°
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 68° to 76°, with overnight lows between 52° and 59°. The average high for September is 72° with an average low of 56°. 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.
