S
M
T
W
T
F
S
30
92°
68°
31
91°
69°
1
91°
67°
2
90°
66°
3
90°
67°
4
89°
62°
5
89°
67°
6
91°
65°
7
90°
66°
8
89°
65°
9
89°
66°
10
88°
66°
11
88°
65°
12
84°
65°
13
83°
64°
14
83°
64°
15
84°
63°
16
84°
63°
17
83°
62°
18
84°
61°
19
82°
60°
20
82°
56°
21
80°
56°
22
81°
57°
23
82°
59°
24
83°
61°
25
84°
62°
26
83°
61°
27
84°
60°
28
79°
55°
29
80°
54°
30
78°
55°
1
Hist. Avg.
82°
60°
2
Hist. Avg.
81°
60°
3
Hist. Avg.
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spring Valley Estates
Spring Valley Estates's September 2026 forecast shows daily high temperatures ranging from 78° to 92°, with overnight lows between 54° and 69°. The average high for September is 85° with an average low of 62°. 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 Spring Valley Estates. See also: October | November | December.