S
M
T
W
T
F
S
30
91°
78°
31
89°
78°
1
90°
77°
2
89°
78°
3
89°
78°
4
86°
77°
5
87°
78°
6
88°
78°
7
87°
77°
8
86°
76°
9
86°
77°
10
86°
78°
11
87°
78°
12
88°
77°
13
88°
77°
14
91°
75°
15
90°
75°
16
89°
75°
17
90°
74°
18
90°
76°
19
90°
76°
20
90°
74°
21
89°
75°
22
88°
76°
23
89°
74°
24
89°
73°
25
88°
74°
26
90°
73°
27
90°
74°
28
89°
74°
29
90°
75°
30
89°
74°
1
90°
75°
2
90°
75°
3
88°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Melbourne
Melbourne's September 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 72° and 78°. The average high for September is 89° with an average low of 76°. 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 Melbourne. See also: October | November | December.
