S
M
T
W
T
F
S
30
64°
41°
31
64°
41°
1
63°
48°
2
62°
49°
3
61°
47°
4
62°
47°
5
62°
42°
6
61°
38°
7
61°
38°
8
62°
39°
9
63°
40°
10
65°
39°
11
64°
43°
12
58°
36°
13
60°
40°
14
67°
39°
15
58°
38°
16
Hist. Avg.
70°
51°
17
Hist. Avg.
70°
50°
18
Hist. Avg.
70°
50°
19
Hist. Avg.
69°
50°
20
Hist. Avg.
69°
50°
21
Hist. Avg.
68°
49°
22
Hist. Avg.
68°
49°
23
Hist. Avg.
68°
49°
24
Hist. Avg.
67°
49°
25
Hist. Avg.
67°
49°
26
Hist. Avg.
66°
48°
27
Hist. Avg.
66°
48°
28
Hist. Avg.
66°
48°
29
Hist. Avg.
65°
48°
30
Hist. Avg.
65°
48°
1
Hist. Avg.
64°
47°
2
Hist. Avg.
64°
47°
3
Hist. Avg.
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sunshine Valley
Sunshine Valley's September 2026 forecast shows daily high temperatures ranging from 58° to 67°, with overnight lows between 36° and 49°. The average high for September is 62° with an average low of 41°. 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 Sunshine Valley. See also: October | November | December.
