S
M
T
W
T
F
S
31
77°
48°
1
76°
49°
2
75°
49°
3
64°
42°
4
57°
40°
5
56°
45°
6
62°
43°
7
62°
41°
8
69°
39°
9
73°
57°
10
69°
59°
11
66°
55°
12
76°
51°
13
80°
59°
14
81°
62°
15
84°
58°
16
84°
58°
17
86°
61°
18
78°
64°
19
74°
60°
20
68°
57°
21
73°
58°
22
70°
57°
23
73°
54°
24
73°
53°
25
77°
47°
26
71°
52°
27
76°
50°
28
74°
43°
29
82°
45°
30
81°
54°
1
75°
55°
2
79°
55°
3
83°
58°
4
84°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sunset
Sunset's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
