Portbou
Spain
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Portbou, Spain

Sea temperature

In Septiembre, the average sea temperature in Portbou, Spain, is 21.5°C (70.7°F).
Note: For most, swimming in 21.5°C (70.7°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).

Daylight

The average length of the day in Septiembre is 12.5h.

How cold is the water in Septiembre in Portbou?

In Portbou, Spain, the average seawater temperature in Septiembre is 21.5°C (70.7°F). For swimming, a surface water temperature of 21.5°C (70.7°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).

What is the average length of the day in Septiembre in Portbou?

The average length of the day in Septiembre in Portbou, Spain, is 12.5h.
Average sea temperature in September - Portbou, Spain
  • Average sea temperature in September: 21.5°C

The best month for swimming (with the highest average sea temperature) is August (21.9°C).
The coldest month (with the lowest average sea temperature) is February (12.8°C).

Average daylight in September - Portbou, Spain
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).