S
M
T
W
T
F
S
30
66°
46°
31
65°
48°
1
65°
50°
2
66°
49°
3
66°
48°
4
67°
48°
5
66°
51°
6
66°
48°
7
67°
49°
8
69°
54°
9
70°
51°
10
68°
52°
11
67°
53°
12
72°
51°
13
70°
49°
14
72°
53°
15
67°
51°
16
67°
51°
17
68°
52°
18
68°
49°
19
69°
50°
20
72°
55°
21
73°
58°
22
74°
53°
23
73°
50°
24
71°
50°
25
70°
51°
26
69°
50°
27
70°
51°
28
69°
50°
29
69°
51°
30
70°
57°
1
70°
55°
2
74°
52°
3
69°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sydney Markets
Sydney Markets's September 2026 forecast shows daily high temperatures ranging from 65° to 74°, with overnight lows between 46° and 58°. The average high for September is 69° with an average low of 51°. 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 Sydney Markets. See also: October | November | December.
