September weather forecastLlanes, Spain
September
Weather in September
Sea temperature
In Llanes, Spain, in September, the average water temperature is 20.3°C (68.5°F).Note: Most people do not take pleasure in swimming in water at 20.3°C (68.5°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 07:43 and sunset at 20:54. On the last day of September, in Llanes, sunrise is at 08:15 and sunset at 20:01 CEST.
Updated: Jan 29, 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
In Llanes, Spain, in September, the average water temperature is 20.3°C (68.5°F). For swimming, a surface water temperature of 20.3°C (68.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
In September, the average day length in Llanes, Spain, is 12h and 30min.
In September, on the first day of the month, sunrise is at 07:43 and sunset at 20:54. On the last day of the month, in Llanes, Spain, sunrise is at 08:15 and sunset at 20:01 CEST.
Average sea temperature in September
Llanes, Spain
- Average sea temperature in September: 20.3°C
The best month for swimming (with the highest average sea temperature) is August (20.9°C).
The coldest months (with the lowest average sea temperature) are February and March (12.8°C).
Average daylight in September
Llanes, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
