S
M
T
W
T
F
S
30
93°
74°
31
92°
74°
1
91°
73°
2
93°
74°
3
93°
74°
4
94°
73°
5
92°
73°
6
92°
72°
7
91°
73°
8
92°
72°
9
92°
72°
10
93°
73°
11
93°
73°
12
92°
72°
13
90°
71°
14
90°
69°
15
91°
70°
16
91°
70°
17
92°
71°
18
91°
66°
19
88°
65°
20
84°
64°
21
84°
64°
22
87°
67°
23
88°
68°
24
89°
65°
25
89°
67°
26
88°
66°
27
84°
65°
28
83°
64°
29
86°
63°
30
85°
65°
1
87°
65°
2
87°
61°
3
86°
62°
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 83° to 94°, with overnight lows between 61° and 74°. The average high for September is 90° with an average low of 69°. 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.
