S
M
T
W
T
F
S
30
84°
56°
31
78°
67°
1
88°
70°
2
72°
67°
3
88°
68°
4
86°
73°
5
81°
65°
6
79°
61°
7
79°
59°
8
82°
63°
9
86°
69°
10
81°
64°
11
78°
56°
12
79°
63°
13
81°
67°
14
82°
62°
15
80°
65°
16
79°
58°
17
77°
59°
18
72°
54°
19
75°
53°
20
72°
53°
21
73°
54°
22
70°
60°
23
70°
60°
24
71°
59°
25
72°
58°
26
77°
56°
27
73°
53°
28
74°
58°
29
76°
59°
30
77°
58°
1
76°
58°
2
75°
57°
3
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yardley
Yardley's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 53° and 69°. The average high for September is 76° with an average low of 59°. 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 Yardley. See also: October | November | December.
