S
M
T
W
T
F
S
30
75°
57°
31
72°
63°
1
71°
64°
2
72°
64°
3
81°
63°
4
77°
59°
5
74°
57°
6
73°
52°
7
76°
47°
8
77°
50°
9
72°
62°
10
76°
61°
11
71°
49°
12
79°
65°
13
80°
55°
14
68°
43°
15
74°
57°
16
77°
60°
17
75°
61°
18
74°
52°
19
70°
53°
20
69°
51°
21
70°
46°
22
66°
47°
23
70°
48°
24
68°
47°
25
68°
47°
26
63°
46°
27
68°
51°
28
72°
51°
29
71°
46°
30
63°
45°
1
67°
50°
2
67°
50°
3
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New York Mills
New York Mills's September 2026 forecast shows daily high temperatures ranging from 63° to 80°, with overnight lows between 43° and 65°. The average high for September is 70° with an average low of 51°. 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 Mills. See also: October | November | December.