S
M
T
W
T
F
S
30
63°
52°
31
64°
52°
1
63°
51°
2
62°
52°
3
61°
52°
4
62°
51°
5
65°
52°
6
62°
52°
7
64°
51°
8
66°
52°
9
65°
52°
10
66°
53°
11
65°
51°
12
66°
52°
13
68°
51°
14
66°
52°
15
66°
51°
16
65°
50°
17
65°
50°
18
61°
49°
19
60°
50°
20
65°
51°
21
66°
51°
22
67°
50°
23
64°
50°
24
65°
49°
25
65°
50°
26
64°
51°
27
66°
51°
28
67°
50°
29
67°
50°
30
66°
49°
1
65°
49°
2
65°
50°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gualala
Gualala's September 2026 forecast shows daily high temperatures ranging from 60° to 68°, with overnight lows between 49° and 53°. The average high for September is 65° with an average low of 51°. 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 Gualala. See also: October | November | December.
