S
M
T
W
T
F
S
30
81°
63°
31
80°
70°
1
83°
68°
2
76°
70°
3
83°
73°
4
87°
68°
5
82°
65°
6
77°
67°
7
78°
67°
8
77°
64°
9
76°
63°
10
78°
66°
11
79°
67°
12
78°
65°
13
78°
63°
14
77°
62°
15
73°
62°
16
73°
66°
17
76°
59°
18
71°
58°
19
71°
57°
20
72°
60°
21
75°
65°
22
79°
66°
23
79°
65°
24
78°
63°
25
77°
60°
26
76°
62°
27
77°
63°
28
77°
63°
29
76°
60°
30
70°
55°
1
66°
54°
2
69°
59°
3
74°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Hamilton
Fort Hamilton's September 2026 forecast shows daily high temperatures ranging from 66° to 87°, with overnight lows between 54° and 73°. The average high for September is 76° 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 Fort Hamilton. See also: October | November | December.
