S
M
T
W
T
F
S
30
84°
71°
31
84°
71°
1
83°
66°
2
76°
63°
3
75°
63°
4
76°
64°
5
76°
62°
6
80°
67°
7
82°
69°
8
82°
69°
9
78°
68°
10
81°
69°
11
82°
68°
12
81°
69°
13
82°
70°
14
81°
59°
15
74°
59°
16
71°
60°
17
72°
59°
18
79°
65°
19
80°
66°
20
81°
66°
21
77°
60°
22
78°
56°
23
70°
57°
24
68°
60°
25
70°
63°
26
73°
64°
27
75°
63°
28
75°
63°
29
74°
62°
30
75°
63°
1
75°
61°
2
74°
55°
3
73°
52°
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 68° to 84°, with overnight lows between 52° and 71°. The average high for September is 77° with an average low of 63°. 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.
