S
M
T
W
T
F
S
30
87°
69°
31
87°
69°
1
86°
68°
2
87°
69°
3
85°
68°
4
84°
69°
5
83°
68°
6
84°
67°
7
85°
68°
8
87°
69°
9
87°
69°
10
86°
68°
11
87°
69°
12
86°
68°
13
85°
69°
14
81°
68°
15
81°
65°
16
83°
68°
17
85°
67°
18
86°
66°
19
85°
64°
20
85°
64°
21
86°
65°
22
83°
63°
23
82°
64°
24
84°
67°
25
85°
68°
26
85°
69°
27
86°
69°
28
87°
67°
29
86°
65°
30
84°
61°
1
82°
63°
2
77°
61°
3
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glendale Junction
Glendale Junction's September 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 58° and 69°. The average high for September is 84° with an average low of 67°. 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 Glendale Junction. See also: October | November | December.
