Current sea water temperature:
+62.4°F
| Minimum sea water temperature in September: | 68.9°F |
| Maximum sea water temperature in September: | 56.3°F |
| Average sea water temperature in September: | 64.2°F |
| more information | |
14 days
forecast
forecast
| Sydney |
monthly
weather
weather
| Sydney |
Sea water temperature for the last 10 days:
| September 15 | 62.4°F | September 10 | 63.7°F |
| September 14 | 61.9°F | September 9 | 63.9°F |
| September 13 | 61.9°F | September 8 | 63.5°F |
| September 12 | 62.2°F | September 7 | 64.2°F |
| September 11 | 62.6°F | September 6 | 65.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Sydney?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sydney was noticed in August, September and July.
Monthly Sea Temperatures in Sydney, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 70.3°F and 63.7°F.
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.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 60.6°F. The highest and lowest sea temperatures during the month were 63.5°F and 53.6°F.
current
weather
weather
| Sydney |
weather in
September
September
| Sydney |
Best time for vacation in Sydney
Sydney on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Sydney
Local time: 14:51
September 15, tuesday
1500
61°F
SW
12 mph
12 mph
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
