15.09
tue
tue
Day
63°F
SW 11 mph
Precip.
4%
4%
Night
52°F
S 5 mph
Precip.
11%
11%
16.09
wed
wed
Day
66°F
NE 3 mph
Precip.
2%
2%
Night
59°F
NE 7 mph
Precip.
16%
16%
17.09
thu
thu
Day
64°F
S 6 mph
Precip.
5%
5%
Night
54°F
N 3 mph
Precip.
24%
24%
18.09
fri
fri
Day
57°F
NE 2 mph
Precip.
39%
39%
Night
50°F
E 25 mph
Precip.
14%
14%
19.09
sat
sat
Day
55°F
SE 19 mph
Precip.
10%
10%
Night
41°F
E 7 mph
Precip.
8%
8%
20.09
sun
sun
Day
54°F
NE 9 mph
Precip.
13%
13%
Night
46°F
NE 7 mph
Precip.
22%
22%
21.09
mon
mon
Day
61°F
SE 9 mph
Precip.
8%
8%
Night
50°F
S 11 mph
Precip.
27%
27%
22.09
tue
tue
Day
57°F
S 12 mph
Precip.
10%
10%
Night
43°F
E 6 mph
Precip.
12%
12%
23.09
wed
wed
Day
61°F
E 6 mph
Precip.
3%
3%
Night
52°F
NE 6 mph
Precip.
24%
24%
24.09
thu
thu
Day
55°F
N 11 mph
Precip.
64%
64%
Night
63°F
N 14 mph
Precip.
51%
51%
25.09
fri
fri
Day
64°F
N 22 mph
Precip.
79%
79%
Night
63°F
NE 14 mph
Precip.
38%
38%
26.09
sat
sat
Day
52°F
E 17 mph
Precip.
46%
46%
Night
50°F
E 14 mph
Precip.
6%
6%
27.09
sun
sun
Day
57°F
E 14 mph
Precip.
3%
3%
Night
46°F
E 7 mph
Precip.
21%
21%
28.09
mon
mon
Day
55°F
SE 15 mph
Precip.
12%
12%
Night
46°F
S 5 mph
Precip.
25%
25%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 64.6°F. The highest and lowest sea temperatures during the month were 68.5°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 Canada:
Name
°F
24 Hours Forecast
Sydney
Local time: 15:00
September 15, tuesday
1800
57°F
SW
9 mph
9 mph
2100
54°F
S
7 mph
7 mph
September 16, wednesday
0000
52°F
S
5 mph
5 mph
0300
48°F
E
4 mph
4 mph
0600
48°F
NE
3 mph
3 mph
0900
57°F
NE
4 mph
4 mph
1200
66°F
NE
3 mph
3 mph
1500
70°F
NE
7 mph
7 mph
