September weather forecastHonfleur, France
September
Weather in September
Sea temperature
The month with the warmest seawater in Honfleur, France, is September, with an average sea temperature of 18.2°C (64.8°F).Note: A surface water temperature of 18.2°C (64.8°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
In September, the average length of the day is 12h and 36min.On the first day of the month, sunrise is at 07:15 and sunset at 20:41. On the last day of September, in Honfleur, France, sunrise is at 07:58 and sunset at 19:39 CEST.
Updated: Feb 9, 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
September is the month with the warmest seawater, with an average sea temperature of 18.2°C (64.8°F).
In Honfleur, in September, the average water temperature is 18.2°C (64.8°F). Swimming in 18.2°C (64.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
In Honfleur, the average day length in September is 12h and 36min.
In September, on the first day of the month, sunrise is at 07:15 and sunset at 20:41. On the last day of the month, sunrise is at 07:58 and sunset at 19:39 CEST.
Average sea temperature in September
Honfleur, France
- Average sea temperature in September: 18.2°C
The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest months (with the lowest average sea temperature) are February and March (8.8°C).
Average daylight in September
Honfleur, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
