Weather in September
Sea temperature
September is the month with the coldest seawater in Cronulla, Australia, with an average sea temperature of 18.4°C (65.1°F).Note: Most people do not find pleasure in swimming when the water temperature is 18.4°C (65.1°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Cronulla, the average length of the day in September is 11h and 53min.On the first day of the month, sunrise is at 6:13 am and sunset at 5:37 pm. On the last day of September, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Frequently asked questions
When is the sea coldest in Cronulla?
With an average sea temperature of 18.4°C (65.1°F), September is the month with the coldest seawater.
What is the sea water temperature in September in Cronulla?
In Cronulla, Australia, in September, the average water temperature 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).
What is the average length of the day in September in Cronulla?
The average day length in September in Cronulla is 11h and 53min.
When are sunrise and sunset in September in Cronulla?
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 Cronulla, Australia, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Average sea temperature in September
Cronulla, 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
Cronulla, 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).
Cronulla, Australia
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