S
M
T
W
T
F
S
30
77°
64°
31
76°
64°
1
76°
69°
2
77°
72°
3
77°
72°
4
84°
73°
5
83°
71°
6
81°
64°
7
78°
64°
8
77°
63°
9
76°
62°
10
74°
62°
11
74°
63°
12
75°
63°
13
77°
67°
14
79°
69°
15
78°
67°
16
74°
64°
17
73°
65°
18
74°
67°
19
75°
59°
20
74°
62°
21
73°
60°
22
77°
58°
23
71°
58°
24
71°
59°
25
70°
64°
26
72°
57°
27
71°
63°
28
71°
63°
29
69°
55°
30
69°
58°
1
68°
63°
2
74°
60°
3
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Crown Heights
Crown Heights's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 55° and 73°. The average high for September is 75° 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 Crown Heights. See also: October | November | December.