S
M
T
W
T
F
S
30
80°
54°
31
82°
57°
1
83°
61°
2
84°
63°
3
84°
56°
4
83°
60°
5
82°
63°
6
83°
59°
7
83°
61°
8
82°
61°
9
84°
60°
10
84°
60°
11
81°
59°
12
80°
60°
13
81°
60°
14
78°
59°
15
79°
59°
16
77°
58°
17
78°
56°
18
78°
51°
19
74°
48°
20
72°
54°
21
72°
54°
22
74°
47°
23
71°
55°
24
69°
55°
25
70°
58°
26
73°
55°
27
71°
55°
28
68°
54°
29
68°
51°
30
72°
44°
1
67°
42°
2
64°
41°
3
62°
41°
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 62° to 84°, with overnight lows between 41° and 63°. 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 New York. See also: October | November | December.
