September
Weather in September
Sea temperature
With an average sea temperature of 18.4°C (65.1°F), September is the month with the coldest seawater in Gymea Bay, Australia.Note: In water with a temperature of 18.4°C (65.1°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.
Daylight
The average length of the day in September is 11h and 53min.On the first day of September, sunrise is at 6:13 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the month with the coldest sea water in Gymea Bay?
The month with the coldest seawater in Gymea Bay is September, with an average sea temperature of 18.4°C (65.1°F).
What is the sea water temperature in September in Gymea Bay?
In Gymea Bay, the average seawater temperature in September is 18.4°C (65.1°F). Swimming in 18.4°C (65.1°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
How many hours of daylight does Gymea Bay have in September?
The average day length in September in Gymea Bay is 11h and 53min.
When are sunrise and sunset in September in Gymea Bay?
In September, on the first day of the month, sunrise is at 6:13 am and sunset at 5:37 pm. On the last day of the month, in Gymea Bay, Australia, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Average sea temperature in September
Gymea Bay, Australia
- Average sea temperature in September: 18.4°C
The best month for swimming (with the highest average sea temperature) is February (23.8°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).
Average daylight in September
Gymea Bay, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
