15.09
tue
tue
Day
64°F
NW 14 mph
Precip.
10%
10%
Night
57°F
N 24 mph
Precip.
20%
20%
16.09
wed
wed
Day
55°F
N 27 mph
Precip.
13%
13%
Night
57°F
N 25 mph
Precip.
4%
4%
17.09
thu
thu
Day
57°F
N 11 mph
Precip.
4%
4%
Night
55°F
SE 7 mph
Precip.
6%
6%
18.09
fri
fri
Day
64°F
SW 9 mph
Precip.
2%
2%
Night
61°F
E 8 mph
Precip.
8%
8%
19.09
sat
sat
Day
68°F
NW 12 mph
Precip.
2%
2%
Night
64°F
NE 6 mph
Precip.
2%
2%
20.09
sun
sun
Day
70°F
NW 12 mph
Precip.
2%
2%
Night
66°F
SE 11 mph
Precip.
2%
2%
21.09
mon
mon
Day
64°F
N 19 mph
Precip.
18%
18%
Night
63°F
W 9 mph
Precip.
21%
21%
22.09
tue
tue
Day
64°F
SW 17 mph
Precip.
12%
12%
Night
64°F
S 9 mph
Precip.
13%
13%
23.09
wed
wed
Day
68°F
SW 13 mph
Precip.
9%
9%
Night
66°F
N 19 mph
Precip.
18%
18%
24.09
thu
thu
Day
66°F
N 11 mph
Precip.
28%
28%
Night
66°F
E 3 mph
Precip.
16%
16%
25.09
fri
fri
Day
72°F
N 12 mph
Precip.
11%
11%
Night
70°F
SE 9 mph
Precip.
2%
2%
26.09
sat
sat
Day
81°F
SE 23 mph
Precip.
4%
4%
Night
64°F
E 23 mph
Precip.
13%
13%
27.09
sun
sun
Day
63°F
N 14 mph
Precip.
2%
2%
Night
59°F
N 4 mph
Precip.
36%
36%
28.09
mon
mon
Day
61°F
N 22 mph
Precip.
6%
6%
Night
61°F
N 14 mph
Precip.
15%
15%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.4°F. The highest and lowest sea temperatures during the month were 66.6°F and 61.9°F.
Air temperature in Sydney, °F
Precipitation total in Sydney, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sydney
Sydney on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Sydney
Local time: 13:59
September 15, tuesday
1500
64°F
N
20 mph
20 mph
1800
59°F
N
35 mph
35 mph
2100
57°F
N
30 mph
30 mph
September 16, wednesday
0000
57°F
N
24 mph
24 mph
0300
55°F
N
26 mph
26 mph
0600
54°F
NE
26 mph
26 mph
0900
54°F
NE
24 mph
24 mph
1200
55°F
N
27 mph
27 mph
