S
M
T
W
T
F
S
30
83°
56°
31
81°
66°
1
91°
70°
2
77°
69°
3
88°
73°
4
86°
66°
5
82°
61°
6
78°
62°
7
80°
66°
8
79°
63°
9
76°
64°
10
80°
66°
11
80°
64°
12
82°
63°
13
81°
64°
14
79°
63°
15
77°
65°
16
77°
66°
17
78°
59°
18
75°
58°
19
74°
57°
20
75°
60°
21
79°
65°
22
82°
65°
23
82°
64°
24
81°
63°
25
80°
60°
26
79°
62°
27
80°
63°
28
80°
63°
29
81°
61°
30
74°
57°
1
70°
55°
2
73°
58°
3
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bala-Cynwyd
Bala-Cynwyd's September 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 55° and 73°. The average high for September is 79° with an average low of 63°. 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 Bala-Cynwyd. See also: October | November | December.
