S
M
T
W
T
F
S
30
78°
65°
31
83°
70°
1
84°
71°
2
81°
70°
3
78°
66°
4
77°
63°
5
76°
62°
6
76°
62°
7
77°
69°
8
83°
62°
9
75°
61°
10
76°
61°
11
76°
57°
12
72°
59°
13
73°
59°
14
71°
58°
15
73°
59°
16
74°
60°
17
73°
58°
18
75°
58°
19
73°
57°
20
72°
56°
21
71°
56°
22
71°
57°
23
73°
60°
24
76°
56°
25
77°
60°
26
77°
62°
27
70°
58°
28
70°
57°
29
75°
54°
30
73°
53°
1
68°
56°
2
72°
62°
3
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in The Bronx
The Bronx's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 51° and 71°. The average high for September is 75° with an average low of 60°. 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 The Bronx. See also: October | November | December.
