September weather forecastSanturtzi, Spain
September
Weather in September
Sea temperature
In September, the average sea temperature in Santurtzi, Spain, is 20.6°C (69.1°F).Note: Swimming is not a pleasurable activity for the majority in water at 20.6°C (69.1°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Santurtzi, Spain, the average length of the day in September is 12h and 30min.On the first day of September in Santurtzi, sunrise is at 07:36 and sunset at 20:47. On the last day of the month, sunrise is at 08:09 and sunset at 19:54 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 Santurtzi, Spain, the average seawater temperature in September is 20.6°C (69.1°F). For most, swimming in 20.6°C (69.1°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).
In September, the average day length is 12h and 30min.
On the first day of September, sunrise is at 07:36 and sunset at 20:47. On the last day of the month, sunrise is at 08:09 and sunset at 19:54 CEST.
Average sea temperature in September
Santurtzi, Spain
- Average sea temperature in September: 20.6°C
The best month for swimming (with the highest average sea temperature) is August (21.2°C).
The coldest month (with the lowest average sea temperature) is February (12.7°C).
Average daylight in September
Santurtzi, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).





