S
M
T
W
T
F
S
30
77°
63°
31
76°
62°
1
76°
68°
2
77°
71°
3
78°
70°
4
84°
70°
5
83°
69°
6
81°
62°
7
78°
62°
8
77°
63°
9
76°
61°
10
74°
61°
11
74°
62°
12
75°
61°
13
77°
65°
14
79°
67°
15
77°
66°
16
74°
62°
17
73°
63°
18
74°
65°
19
75°
58°
20
73°
60°
21
73°
58°
22
77°
56°
23
71°
56°
24
70°
57°
25
70°
62°
26
71°
56°
27
71°
61°
28
70°
61°
29
68°
54°
30
68°
56°
1
67°
61°
2
73°
58°
3
71°
54°
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 84°, with overnight lows between 54° and 71°. 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.
