S
M
T
W
T
F
S
30
79°
56°
31
77°
57°
1
77°
62°
2
78°
64°
3
82°
63°
4
85°
64°
5
85°
62°
6
82°
56°
7
79°
56°
8
78°
55°
9
77°
54°
10
75°
53°
11
75°
55°
12
76°
54°
13
79°
59°
14
80°
60°
15
77°
54°
16
75°
56°
17
74°
55°
18
75°
58°
19
77°
51°
20
76°
54°
21
74°
51°
22
79°
50°
23
73°
49°
24
72°
49°
25
72°
54°
26
73°
50°
27
74°
54°
28
73°
54°
29
76°
47°
30
72°
50°
1
70°
54°
2
76°
53°
3
75°
46°
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 70° to 85°, with overnight lows between 46° and 64°. The average high for September is 76° 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.
