S
M
T
W
T
F
S
30
79°
63°
31
78°
63°
1
78°
64°
2
79°
64°
3
77°
65°
4
76°
64°
5
79°
64°
6
78°
63°
7
76°
62°
8
76°
60°
9
75°
61°
10
75°
66°
11
76°
60°
12
74°
60°
13
77°
59°
14
77°
66°
15
76°
66°
16
76°
63°
17
73°
59°
18
73°
58°
19
74°
59°
20
77°
64°
21
74°
59°
22
71°
60°
23
76°
62°
24
74°
63°
25
76°
62°
26
72°
55°
27
73°
56°
28
67°
55°
29
66°
54°
30
66°
54°
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
September Weather in Greenpoint
Greenpoint's September 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 54° and 66°. The average high for September is 75° with an average low of 61°. 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 Greenpoint. See also: October | November | December.
