S
M
T
W
T
F
S
30
87°
64°
31
82°
72°
1
93°
74°
2
77°
72°
3
89°
72°
4
89°
74°
5
84°
70°
6
83°
66°
7
82°
66°
8
85°
64°
9
89°
71°
10
90°
75°
11
81°
69°
12
83°
65°
13
85°
71°
14
78°
62°
15
79°
58°
16
83°
62°
17
84°
69°
18
87°
71°
19
78°
65°
20
78°
67°
21
69°
57°
22
62°
51°
23
64°
51°
24
61°
50°
25
65°
53°
26
66°
57°
27
67°
58°
28
69°
54°
29
72°
56°
30
71°
57°
1
72°
56°
2
71°
54°
3
69°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Havertown
Havertown's September 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 50° and 59°. The average high for September is 68° 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 Havertown. See also: October | November | December.
