Weather in September
Sea temperature
August and September, with an average sea temperature of 18.3°C (64.9°F), are months with the warmest seawater in Rianxo, Spain.Note: 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).
Daylight
In Rianxo, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 08:00 and sunset at 21:09. On the last day of the month, sunrise is at 08:31 and sunset at 20:18 CEST.
Frequently asked questions
What months are the sea warmest in Rianxo?
August and September, with an average sea temperature of 18.3°C (64.9°F), are months with the warmest seawater in Rianxo.
How cold is the water in September in Rianxo?
In Rianxo, the average seawater temperature in September is 18.3°C (64.9°F). Swimming in 18.3°C (64.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
How many hours of daylight does Rianxo have in September?
The average day length in September is 12h and 29min.
What time are sunrise and sunset in September in Rianxo?
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, sunrise is at 08:31 and sunset at 20:18 CEST.
Average sea temperature in September
Rianxo, Spain
- Average sea temperature in September: 18.3°C
The best months for swimming (with the highest average sea temperature) are August and September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in September
Rianxo, Spain
- Average daylight in September: 12h and 3min
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 6min).
Rianxo, Spain
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