S
M
T
W
T
F
S
30
81°
54°
31
77°
66°
1
86°
68°
2
72°
68°
3
90°
66°
4
84°
70°
5
81°
63°
6
79°
57°
7
79°
55°
8
82°
52°
9
84°
59°
10
86°
68°
11
81°
55°
12
78°
68°
13
82°
64°
14
78°
52°
15
78°
57°
16
80°
62°
17
84°
62°
18
78°
57°
19
74°
52°
20
71°
50°
21
72°
49°
22
73°
50°
23
74°
53°
24
76°
51°
25
68°
46°
26
68°
47°
27
74°
54°
28
76°
51°
29
71°
47°
30
72°
53°
1
72°
51°
2
68°
46°
3
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sellersville
Sellersville's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 46° and 68°. The average high for September is 75° with an average low of 53°. 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 Sellersville. See also: October | November | December.
