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
79°
67°
12
78°
63°
13
80°
66°
14
74°
56°
15
72°
62°
16
79°
67°
17
81°
65°
18
79°
63°
19
74°
62°
20
72°
59°
21
69°
60°
22
67°
58°
23
69°
59°
24
69°
58°
25
72°
59°
26
73°
69°
27
72°
63°
28
75°
61°
29
75°
60°
30
69°
56°
1
68°
57°
2
70°
61°
3
73°
57°
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 81°, with overnight lows between 56° and 69°. 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.
