S
M
T
W
T
F
S
30
79°
67°
31
78°
69°
1
82°
67°
2
71°
65°
3
84°
67°
4
84°
71°
5
79°
68°
6
76°
64°
7
78°
61°
8
80°
62°
9
82°
68°
10
84°
69°
11
78°
63°
12
79°
70°
13
81°
67°
14
73°
59°
15
72°
62°
16
78°
67°
17
82°
65°
18
79°
65°
19
74°
59°
20
72°
59°
21
69°
60°
22
71°
59°
23
72°
61°
24
75°
51°
25
67°
55°
26
68°
55°
27
72°
63°
28
76°
59°
29
69°
55°
30
70°
62°
1
71°
59°
2
67°
56°
3
70°
61°
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 67° to 82°, with overnight lows between 51° and 70°. The average high for September is 73° with an average low of 61°. 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.
