S
M
T
W
T
F
S
30
87°
57°
31
80°
58°
1
82°
60°
2
85°
63°
3
85°
62°
4
84°
62°
5
83°
61°
6
85°
63°
7
85°
61°
8
84°
60°
9
83°
59°
10
82°
60°
11
82°
60°
12
84°
58°
13
Hist. Avg.
78°
54°
14
Hist. Avg.
78°
54°
15
Hist. Avg.
78°
54°
16
Hist. Avg.
77°
53°
17
Hist. Avg.
77°
53°
18
Hist. Avg.
77°
53°
19
Hist. Avg.
76°
52°
20
Hist. Avg.
76°
52°
21
Hist. Avg.
76°
51°
22
Hist. Avg.
76°
51°
23
Hist. Avg.
75°
51°
24
Hist. Avg.
75°
50°
25
Hist. Avg.
74°
50°
26
Hist. Avg.
74°
49°
27
Hist. Avg.
74°
49°
28
Hist. Avg.
73°
49°
29
Hist. Avg.
73°
48°
30
Hist. Avg.
73°
48°
1
Hist. Avg.
72°
47°
2
Hist. Avg.
72°
47°
3
Hist. Avg.
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sunset
Sunset's September 2026 forecast shows daily high temperatures ranging from 80° to 87°, with overnight lows between 57° and 63°. The average high for September is 84° with an average low of 60°. 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 Sunset. See also: October | November | December.
