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