S
M
T
W
T
F
S
30
84°
56°
31
78°
67°
1
88°
70°
2
72°
67°
3
88°
68°
4
86°
73°
5
81°
65°
6
79°
61°
7
79°
59°
8
82°
56°
9
88°
70°
10
87°
67°
11
82°
57°
12
80°
67°
13
80°
66°
14
83°
63°
15
82°
64°
16
81°
58°
17
78°
58°
18
73°
56°
19
71°
50°
20
73°
52°
21
74°
54°
22
71°
53°
23
71°
57°
24
72°
57°
25
69°
48°
26
69°
49°
27
76°
56°
28
78°
53°
29
72°
49°
30
74°
55°
1
74°
53°
2
70°
48°
3
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bordentown
Bordentown's September 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 48° and 70°. The average high for September is 76° with an average low of 57°. 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 Bordentown. See also: October | November | December.
