September weather forecastBakio, Spain
September
Weather in September
Sea temperature
In Bakio, Spain, the average seawater temperature in September is 20.8°C (69.4°F).Note: The majority of individuals do not enjoy swimming in water that is 20.8°C (69.4°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Bakio, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 07:35 and sunset at 20:46. On the last day of the month, sunrise is at 08:08 and sunset at 19:53 CEST.
Updated: Jan 30, 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 September, the average sea temperature in Bakio is 20.8°C (69.4°F). For swimming, a surface water temperature of 20.8°C (69.4°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 Bakio, the average day length in September is 12h and 30min.
On the first day of September in Bakio, Spain, sunrise is at 07:35 and sunset at 20:46. On the last day of the month, sunrise is at 08:08 and sunset at 19:53 CEST.
Average sea temperature in September
Bakio, Spain
- Average sea temperature in September: 20.8°C
The best month for swimming (with the highest average sea temperature) is August (21.3°C).
The coldest months (with the lowest average sea temperature) are February and March (12.7°C).
Average daylight in September
Bakio, 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).





