S
M
T
W
T
F
S
30
91°
67°
31
94°
67°
1
94°
69°
2
96°
61°
3
89°
60°
4
90°
61°
5
90°
66°
6
92°
66°
7
97°
68°
8
96°
66°
9
92°
66°
10
94°
62°
11
93°
61°
12
92°
64°
13
93°
65°
14
94°
57°
15
89°
62°
16
92°
62°
17
87°
60°
18
86°
61°
19
83°
60°
20
84°
59°
21
85°
55°
22
85°
58°
23
88°
58°
24
86°
59°
25
91°
61°
26
91°
62°
27
90°
60°
28
89°
51°
29
82°
53°
30
84°
59°
1
88°
60°
2
90°
61°
3
89°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Apple Valley
Apple Valley's September 2026 forecast shows daily high temperatures ranging from 82° to 97°, with overnight lows between 51° and 69°. The average high for September is 90° 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 Apple Valley. See also: October | November | December.
