September weather forecastSanxenxo, Spain
September
Weather in September
Sea temperature
The month with the warmest seawater in Sanxenxo, Spain, is September, with an average sea temperature of 18.3°C (64.9°F).Note: Swimming becomes less enjoyable for most at a surface water temperature of 18.3°C (64.9°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
The average length of the day in September in Sanxenxo is 12h and 29min.On the first day of the month, sunrise is at 08:00 and sunset at 21:09. On the last day of September, sunrise is at 08:31 and sunset at 20:18 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
With an average sea temperature of 18.3°C (64.9°F), September is the month with the warmest seawater in Sanxenxo, Spain.
In Sanxenxo, the average seawater temperature in September is 18.3°C (64.9°F). For swimming, a surface water temperature of 18.3°C (64.9°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 Sanxenxo, the average day length in September is 12h and 29min.
In September, on the first day of the month, sunrise is at 08:00 and sunset at 21:09. On the last day of the month, in Sanxenxo, sunrise is at 08:31 and sunset at 20:18 CEST.
Average sea temperature in September
Sanxenxo, Spain
- Average sea temperature in September: 18.3°C
The best month for swimming (with the highest average sea temperature) is September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (13.6°C).
Average daylight in September
Sanxenxo, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).





