S
M
T
W
T
F
S
30
79°
57°
31
78°
57°
1
78°
58°
2
79°
59°
3
77°
61°
4
77°
58°
5
80°
58°
6
79°
57°
7
77°
56°
8
78°
55°
9
76°
56°
10
76°
59°
11
77°
54°
12
76°
55°
13
76°
53°
14
78°
58°
15
77°
59°
16
79°
57°
17
74°
52°
18
74°
52°
19
75°
53°
20
77°
58°
21
74°
52°
22
73°
54°
23
76°
57°
24
77°
58°
25
78°
56°
26
77°
48°
27
76°
49°
28
69°
48°
29
68°
47°
30
70°
49°
1
69°
47°
2
68°
45°
3
Hist. Avg.
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Levittown
Levittown's September 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 45° and 61°. The average high for September is 76° with an average low of 54°. 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 Levittown. See also: October | November | December.