S
M
T
W
T
F
S
30
91°
71°
31
86°
65°
1
86°
62°
2
83°
60°
3
82°
63°
4
83°
64°
5
90°
62°
6
75°
62°
7
93°
69°
8
87°
73°
9
106°
74°
10
99°
78°
11
91°
74°
12
87°
70°
13
85°
69°
14
84°
67°
15
81°
67°
16
79°
68°
17
79°
66°
18
79°
61°
19
82°
62°
20
80°
65°
21
79°
63°
22
82°
63°
23
92°
67°
24
90°
66°
25
87°
67°
26
88°
66°
27
87°
66°
28
88°
64°
29
86°
66°
30
84°
64°
1
86°
65°
2
81°
62°
3
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Valley Glen
Valley Glen's September 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 62° and 67°. The average high for September is 85° with an average low of 65°. 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 Valley Glen. See also: October | November | December.
