Current sea water temperature:
+65.5°F
| Minimum sea water temperature in September: | 66.4°F |
| Maximum sea water temperature in September: | 60.4°F |
| Average sea water temperature in September: | 63.3°F |
| more information | |
14 days
forecast
forecast
| Perth |
monthly
weather
weather
| Perth |
Sea water temperature for the last 10 days:
| September 18 | 65.5°F | September 13 | 63.7°F |
| September 17 | 65.1°F | September 12 | 63.1°F |
| September 16 | 64.4°F | September 11 | 62.8°F |
| September 15 | 63.9°F | September 10 | 62.6°F |
| September 14 | 63.9°F | September 9 | 62.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Perth?
Based on the data about daily sea water temperature for the last three years the warmest sea in Perth was noticed in February, January and March.
Monthly Sea Temperatures in Perth, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 75.1°F. The highest and lowest sea temperatures during the month were 76.6°F and 73.8°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 77.0°F and 73.4°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 72.3°F.
current
weather
weather
| Perth |
weather in
September
September
| Perth |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 20:05
September 18, friday
2100
61°F
SE
19 mph
19 mph
September 19, saturday
0000
61°F
SE
24 mph
24 mph
0300
63°F
SE
25 mph
25 mph
0600
61°F
SE
26 mph
26 mph
0900
63°F
E
23 mph
23 mph
1200
63°F
E
22 mph
22 mph
1500
64°F
E
22 mph
22 mph
1800
63°F
E
17 mph
17 mph
