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
87°
61°
10
87°
71°
11
80°
60°
12
81°
56°
13
82°
68°
14
78°
52°
15
75°
55°
16
82°
63°
17
85°
62°
18
82°
62°
19
77°
60°
20
71°
56°
21
71°
51°
22
68°
54°
23
71°
53°
24
70°
52°
25
72°
54°
26
74°
52°
27
76°
56°
28
77°
54°
29
77°
53°
30
71°
49°
1
70°
51°
2
70°
54°
3
75°
49°
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 68° to 85°, with overnight lows between 49° and 68°. The average high for September is 75° 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 Bordentown. See also: October | November | December.
