S
M
T
W
T
F
S
30
88°
69°
31
94°
66°
1
97°
69°
2
98°
69°
3
95°
72°
4
94°
72°
5
93°
71°
6
88°
70°
7
82°
68°
8
83°
64°
9
87°
63°
10
91°
64°
11
92°
61°
12
89°
62°
13
85°
62°
14
86°
62°
15
87°
61°
16
85°
59°
17
76°
62°
18
75°
62°
19
76°
62°
20
76°
61°
21
77°
62°
22
77°
62°
23
81°
61°
24
78°
61°
25
75°
60°
26
77°
61°
27
79°
55°
28
74°
50°
29
72°
49°
30
73°
49°
1
72°
50°
2
72°
57°
3
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sunset
Sunset's September 2026 forecast shows daily high temperatures ranging from 72° to 95°, with overnight lows between 49° and 72°. The average high for September is 81° with an average low of 61°. 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.
