S
M
T
W
T
F
S
30
74°
56°
31
75°
55°
1
74°
54°
2
73°
54°
3
73°
55°
4
75°
57°
5
75°
58°
6
74°
55°
7
73°
55°
8
70°
56°
9
74°
55°
10
73°
52°
11
70°
52°
12
70°
51°
13
71°
51°
14
70°
50°
15
69°
56°
16
69°
53°
17
75°
52°
18
73°
51°
19
70°
53°
20
73°
53°
21
74°
54°
22
74°
55°
23
Hist. Avg.
70°
56°
24
Hist. Avg.
70°
56°
25
Hist. Avg.
71°
56°
26
Hist. Avg.
71°
56°
27
Hist. Avg.
71°
56°
28
Hist. Avg.
71°
56°
29
Hist. Avg.
71°
55°
30
Hist. Avg.
71°
55°
1
Hist. Avg.
71°
55°
2
Hist. Avg.
71°
55°
3
Hist. Avg.
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sausalito
Sausalito's September 2026 forecast shows daily high temperatures ranging from 69° to 75°, with overnight lows between 50° and 58°. The average high for September is 73° with an average low of 54°. 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.
