S
M
T
W
T
F
S
30
86°
55°
31
78°
53°
1
77°
55°
2
78°
58°
3
78°
54°
4
80°
61°
5
84°
60°
6
85°
53°
7
81°
55°
8
76°
52°
9
76°
51°
10
75°
58°
11
79°
51°
12
78°
52°
13
74°
51°
14
73°
58°
15
78°
57°
16
81°
49°
17
80°
48°
18
71°
48°
19
70°
49°
20
71°
52°
21
70°
50°
22
70°
48°
23
69°
53°
24
70°
52°
25
70°
53°
26
75°
54°
27
75°
47°
28
76°
45°
29
68°
48°
30
67°
52°
1
68°
53°
2
72°
49°
3
73°
43°
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 67° to 86°, with overnight lows between 43° and 61°. The average high for September is 75° with an average low of 52°. 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.
