S
M
T
W
T
F
S
30
93°
73°
31
92°
72°
1
93°
72°
2
92°
71°
3
92°
70°
4
91°
72°
5
90°
71°
6
91°
72°
7
90°
72°
8
88°
70°
9
90°
68°
10
89°
70°
11
90°
70°
12
91°
70°
13
90°
70°
14
90°
71°
15
Hist. Avg.
88°
68°
16
Hist. Avg.
88°
67°
17
Hist. Avg.
87°
67°
18
Hist. Avg.
87°
67°
19
Hist. Avg.
87°
67°
20
Hist. Avg.
87°
66°
21
Hist. Avg.
86°
66°
22
Hist. Avg.
86°
66°
23
Hist. Avg.
86°
65°
24
Hist. Avg.
86°
65°
25
Hist. Avg.
85°
65°
26
Hist. Avg.
85°
64°
27
Hist. Avg.
85°
64°
28
Hist. Avg.
84°
64°
29
Hist. Avg.
84°
63°
30
Hist. Avg.
84°
63°
1
Hist. Avg.
84°
63°
2
Hist. Avg.
83°
62°
3
Hist. Avg.
83°
62°
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 88° to 93°, with overnight lows between 68° and 73°. The average high for September is 91° with an average low of 71°. 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.
