S
M
T
W
T
F
S
30
81°
54°
31
77°
66°
1
86°
68°
2
74°
68°
3
87°
68°
4
84°
60°
5
80°
56°
6
75°
56°
7
77°
56°
8
75°
55°
9
73°
56°
10
77°
55°
11
76°
57°
12
76°
54°
13
77°
55°
14
76°
54°
15
73°
56°
16
73°
58°
17
74°
50°
18
71°
49°
19
70°
48°
20
71°
51°
21
75°
56°
22
78°
56°
23
79°
57°
24
78°
55°
25
76°
51°
26
76°
53°
27
77°
54°
28
76°
54°
29
77°
52°
30
70°
48°
1
66°
46°
2
69°
49°
3
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Quakertown
Quakertown's September 2026 forecast shows daily high temperatures ranging from 66° to 87°, with overnight lows between 46° and 68°. The average high for September is 76° with an average low of 55°. 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 Quakertown. See also: October | November | December.
