S
M
T
W
T
F
S
30
82°
56°
31
77°
67°
1
89°
69°
2
72°
69°
3
87°
68°
4
85°
71°
5
81°
63°
6
78°
59°
7
79°
51°
8
81°
61°
9
86°
66°
10
80°
63°
11
79°
52°
12
80°
57°
13
82°
60°
14
84°
61°
15
81°
60°
16
79°
52°
17
79°
52°
18
78°
53°
19
77°
54°
20
76°
51°
21
79°
55°
22
71°
55°
23
71°
54°
24
72°
54°
25
73°
52°
26
77°
51°
27
74°
48°
28
74°
52°
29
77°
53°
30
77°
53°
1
76°
52°
2
76°
53°
3
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Skippack
Skippack's September 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 48° and 66°. The average high for September is 78° 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 Skippack. See also: October | November | December.