Weather in September
Sea temperature
In Saint Francis Bay, South Africa, in September, the average water temperature is 17.9°C (64.2°F).Note: Swimming in water of 17.9°C (64.2°F) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September is 11h and 53min.On the first day of September in Saint Francis Bay, sunrise is at 06:38 and sunset at 18:02. On the last day of the month, sunrise is at 05:58 and sunset at 18:23 SAST.
Frequently asked questions
What is the sea temperature in September in Saint Francis Bay?
In Saint Francis Bay, South Africa, the average seawater temperature in September is 17.9°C (64.2°F). Swimming in 17.9°C (64.2°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 Saint Francis Bay have in September?
The average day length in September in Saint Francis Bay is 11h and 53min.
What time are sunrise and sunset in September in Saint Francis Bay?
In September, on the first day of the month, sunrise is at 06:38 and sunset at 18:02. On the last day of the month, in Saint Francis Bay, sunrise is at 05:58 and sunset at 18:23 SAST.
Average sea temperature in September
Saint Francis Bay, South Africa
- Average sea temperature in September: 17.9°C
The best month for swimming (with the highest average sea temperature) is January (20.8°C).
The coldest month (with the lowest average sea temperature) is August (17.4°C).
Average daylight in September
Saint Francis Bay, South Africa
- 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).
Saint Francis Bay, South Africa
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