Weather in September
Sea temperature
In Jeffreys Bay, South Africa, the average seawater temperature in September is 17.9°C (64.2°F).Note: Most people do not find swimming enjoyable in water of 17.9°C (64.2°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 11h and 53min.On the first day of September, sunrise is at 06:37 and sunset at 18:02. On the last day of the month, sunrise is at 05:57 and sunset at 18:22 SAST.
Frequently asked questions
What is the sea temperature in September in Jeffreys Bay?
In September, the average sea temperature in Jeffreys Bay is 17.9°C (64.2°F). For most, swimming in 17.9°C (64.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
How many hours of daylight does Jeffreys Bay have in September?
In September, the average day length is 11h and 53min.
When is the sunrise / sunset in September in Jeffreys Bay?
In September, on the first day of the month, sunrise is at 06:37 and sunset at 18:02. On the last day of the month, sunrise is at 05:57 and sunset at 18:22 SAST.
Average sea temperature in September
Jeffreys 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
Jeffreys 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).
Jeffreys Bay, South Africa
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