S
M
T
W
T
F
S
31
84°
61°
1
81°
61°
2
81°
55°
3
84°
59°
4
88°
63°
5
91°
68°
6
90°
68°
7
88°
68°
8
81°
64°
9
79°
57°
10
81°
54°
11
84°
54°
12
84°
57°
13
84°
57°
14
84°
55°
15
84°
57°
16
84°
61°
17
88°
63°
18
90°
64°
19
91°
64°
20
91°
64°
21
86°
63°
22
88°
61°
23
88°
61°
24
95°
66°
25
88°
70°
26
84°
72°
27
77°
66°
28
82°
61°
29
73°
68°
30
77°
64°
1
82°
59°
2
75°
57°
3
75°
55°
4
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harlem
Harlem's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Harlem. See also: October | November | December.
