S
M
T
W
T
F
S
30
78°
64°
31
79°
65°
1
83°
59°
2
78°
59°
3
78°
60°
4
77°
58°
5
77°
57°
6
78°
60°
7
80°
59°
8
79°
63°
9
82°
62°
10
77°
62°
11
79°
61°
12
81°
62°
13
81°
62°
14
80°
61°
15
81°
61°
16
80°
58°
17
78°
59°
18
72°
61°
19
78°
60°
20
79°
60°
21
78°
58°
22
77°
52°
23
74°
51°
24
Hist. Avg.
74°
50°
25
Hist. Avg.
73°
50°
26
Hist. Avg.
73°
49°
27
Hist. Avg.
72°
49°
28
Hist. Avg.
72°
48°
29
Hist. Avg.
72°
48°
30
Hist. Avg.
71°
48°
1
Hist. Avg.
71°
47°
2
Hist. Avg.
70°
47°
3
Hist. Avg.
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Glenside
Glenside's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 51° and 65°. The average high for September is 79° with an average low of 60°. 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 Glenside. See also: October | November | December.
