S
M
T
W
T
F
S
30
83°
66°
31
82°
65°
1
84°
61°
2
76°
59°
3
76°
61°
4
77°
60°
5
76°
57°
6
77°
64°
7
80°
64°
8
76°
63°
9
75°
63°
10
78°
64°
11
81°
63°
12
81°
64°
13
82°
64°
14
81°
54°
15
75°
54°
16
71°
55°
17
73°
54°
18
72°
52°
19
71°
54°
20
72°
57°
21
78°
59°
22
77°
59°
23
78°
53°
24
78°
51°
25
71°
51°
26
70°
54°
27
74°
57°
28
75°
58°
29
75°
52°
30
74°
51°
1
68°
51°
2
68°
50°
3
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Melville
Melville's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 50° and 66°. The average high for September is 76° with an average low of 58°. 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 Melville. See also: October | November | December.
