S
M
T
W
T
F
S
30
81°
67°
31
82°
68°
1
86°
62°
2
81°
62°
3
81°
63°
4
80°
61°
5
80°
61°
6
81°
63°
7
83°
62°
8
81°
66°
9
84°
66°
10
80°
65°
11
81°
65°
12
83°
64°
13
83°
65°
14
84°
64°
15
84°
64°
16
83°
61°
17
81°
62°
18
75°
64°
19
81°
63°
20
82°
63°
21
81°
61°
22
80°
55°
23
77°
59°
24
75°
61°
25
Hist. Avg.
76°
58°
26
Hist. Avg.
75°
57°
27
Hist. Avg.
75°
57°
28
Hist. Avg.
74°
56°
29
Hist. Avg.
74°
56°
30
Hist. Avg.
74°
56°
1
Hist. Avg.
73°
55°
2
Hist. Avg.
73°
55°
3
Hist. Avg.
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Havertown
Havertown's September 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 55° and 68°. The average high for September is 81° 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 Havertown. See also: October | November | December.
