Average sea water temperature in September:
+63.3°F
| Minimum sea water temperature in September: | 66.4°F |
| Maximum sea water temperature in September: | 60.4°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.4°F. The highest and lowest sea temperatures during the month were 64.4°F and 60.6°F.
Monthly sea water temperature in Perth, °F
Which Australia resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Darwin | 82.9°F | 84.3°F |
| Cairns | 76.9°F | 76.6°F |
| Fraser | 70.5°F | 72.2°F |
| Gold Coast | 69.2°F | 69.8°F |
| Brisbane | 68.7°F | 71.0°F |
| Sydney | 64.4°F | 63.3°F |
| Perth | 62.4°F | 63.7°F |
| Adelaide | 57.5°F | 58.3°F |
| Melbourne | 54.2°F | 54.4°F |
| Tasmania | 53.5°F | 53.8°F |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 10:48
December 24, wednesday
1200
93°F
W
11 mph
11 mph
1500
95°F
W
7 mph
7 mph
1800
91°F
NW
9 mph
9 mph
2100
86°F
W
10 mph
10 mph
December 25, thursday
0000
86°F
W
14 mph
14 mph
0300
82°F
SW
17 mph
17 mph
0600
81°F
SW
17 mph
17 mph
0900
90°F
SW
19 mph
19 mph
