Weather in September
Sea temperature
In Hook of Holland, Netherlands, in September, the average water temperature is 18.2°C (64.8°F).Note: Most people find swimming in 18.2°C (64.8°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.
Daylight
The average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:56 and sunset at 20:30. On the last day of September, in Hook of Holland, sunrise is at 07:43 and sunset at 19:22 CEST.
Frequently asked questions
What is the sea water temperature in September in Hook of Holland?
In Hook of Holland, Netherlands, in September, the average water temperature is 18.2°C (64.8°F). For most, swimming in 18.2°C (64.8°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 Hook of Holland have in September?
The average day length in September in Hook of Holland, Netherlands, is 12h and 39min.
When is the sunrise / sunset in September in Hook of Holland?
In September, on the first day of the month, sunrise is at 06:56 and sunset at 20:30. On the last day of the month, in Hook of Holland, Netherlands, sunrise is at 07:43 and sunset at 19:22 CEST.
Average sea temperature in September
Hook of Holland, Netherlands
- Average sea temperature in September: 18.2°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest months (with the lowest average sea temperature) are February and March (6.6°C).
Average daylight in September
Hook of Holland, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 48min).
Hook of Holland, Netherlands
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