Weather in September
Sea temperature
With an average sea temperature of 14.7°C (58.5°F), September is the month with the coldest seawater in Port Phillip, Australia.Note: Dipping into 14.7°C (58.5°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
In Port Phillip, the average length of the day in September is 11h and 51min.On the first day of September in Port Phillip, Australia, sunrise is at 6:41 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:23 pm AEST.
Frequently asked questions
What is the month with the coldest sea water in Port Phillip?
September is the month with the coldest seawater, with an average sea temperature of 14.7°C (58.5°F).
What is the water temperature in September in Port Phillip?
In Port Phillip, Australia, the average seawater temperature in September is 14.7°C (58.5°F). Swimming in 14.7°C (58.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
How many hours of daylight does Port Phillip have in September?
In September, the average day length in Port Phillip, Australia, is 11h and 51min.
When are sunrise and sunset in September in Port Phillip?
In September, on the first day of the month, sunrise is at 6:41 am and sunset at 5:59 pm. On the last day of the month, in Port Phillip, Australia, sunrise is at 5:56 am and sunset at 6:23 pm AEST.
Average sea temperature in September
Port Phillip, Australia
- Average sea temperature in September: 14.7°C
The best month for swimming (with the highest average sea temperature) is February (18.8°C).
The coldest month (with the lowest average sea temperature) is September (14.7°C).
Average daylight in September
Port Phillip, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
Port Phillip, Australia
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