S
M
T
W
T
F
S
30
83°
56°
31
81°
66°
1
90°
72°
2
73°
69°
3
89°
69°
4
86°
73°
5
81°
65°
6
80°
60°
7
80°
59°
8
83°
54°
9
87°
64°
10
88°
73°
11
82°
62°
12
82°
57°
13
82°
69°
14
76°
57°
15
75°
51°
16
82°
56°
17
83°
68°
18
83°
61°
19
75°
62°
20
74°
58°
21
70°
54°
22
65°
52°
23
64°
55°
24
67°
54°
25
67°
52°
26
70°
51°
27
71°
50°
28
73°
50°
29
75°
52°
30
75°
53°
1
76°
52°
2
77°
56°
3
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plymouth Meeting
Plymouth Meeting's September 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 50° and 62°. The average high for September is 72° with an average low of 54°. 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 Plymouth Meeting. See also: October | November | December.
