S
M
T
W
T
F
S
30
66°
50°
31
64°
45°
1
63°
46°
2
66°
49°
3
68°
52°
4
68°
46°
5
65°
46°
6
63°
48°
7
64°
46°
8
63°
46°
9
63°
47°
10
65°
49°
11
64°
47°
12
65°
51°
13
69°
46°
14
64°
46°
15
65°
47°
16
64°
51°
17
69°
47°
18
67°
46°
19
66°
53°
20
70°
53°
21
66°
52°
22
65°
49°
23
65°
48°
24
70°
46°
25
67°
53°
26
71°
54°
27
71°
54°
28
72°
50°
29
67°
48°
30
70°
50°
1
66°
54°
2
68°
54°
3
Hist. Avg.
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mollymook
Mollymook's September 2026 forecast shows daily high temperatures ranging from 63° to 72°, with overnight lows between 45° and 54°. The average high for September is 66° with an average low of 49°. 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 Mollymook. See also: October | November | December.