S
M
T
W
T
F
S
30
79°
69°
31
78°
70°
1
83°
64°
2
78°
64°
3
78°
65°
4
77°
63°
5
77°
63°
6
80°
66°
7
80°
65°
8
78°
68°
9
82°
68°
10
76°
67°
11
79°
67°
12
81°
66°
13
81°
67°
14
80°
67°
15
81°
66°
16
80°
60°
17
78°
63°
18
72°
66°
19
78°
65°
20
79°
65°
21
78°
64°
22
77°
57°
23
73°
56°
24
Hist. Avg.
73°
60°
25
Hist. Avg.
73°
59°
26
Hist. Avg.
72°
59°
27
Hist. Avg.
72°
58°
28
Hist. Avg.
72°
58°
29
Hist. Avg.
71°
58°
30
Hist. Avg.
71°
57°
1
Hist. Avg.
70°
57°
2
Hist. Avg.
70°
56°
3
Hist. Avg.
69°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in New York
New York's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 56° and 70°. The average high for September is 79° with an average low of 65°. 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.
