S
M
T
W
T
F
S
30
79°
67°
31
78°
69°
1
82°
67°
2
71°
65°
3
83°
73°
4
84°
67°
5
79°
63°
6
74°
63°
7
78°
63°
8
81°
64°
9
77°
69°
10
82°
64°
11
75°
62°
12
76°
65°
13
77°
65°
14
78°
66°
15
84°
68°
16
83°
58°
17
75°
59°
18
71°
58°
19
78°
63°
20
78°
63°
21
76°
60°
22
75°
61°
23
72°
64°
24
77°
61°
25
73°
60°
26
76°
64°
27
74°
63°
28
73°
56°
29
66°
54°
30
67°
56°
1
66°
53°
2
65°
57°
3
66°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New York
New York's September 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 53° and 73°. The average high for September is 75° with an average low of 62°. 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 New York. See also: October | November | December.
