Swim in Porto in september 2024What is the temperature of the sea in in september?

Average sea temperature in Porto in september 2024.

In september, according to seasonal norms, the sea temperature in Porto is:

Minimum: 62°F

Average: 65°F

Maximum: 68°F

Other useful seasonal weather averages in september:

  • Outside temperature: 63°F to 77°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 11.2mph
  • It rains a total of 2.9in, over 3 day(s).

Should we swim in Porto in september?

Yes... and no. The water temperature in Porto in september is cool

Swimming in september on the beaches of Porto is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 68°F, it can also be as low as 62°F! Note that the average is 65°F.

Note also that in september, the climate is perfect with an average outside temperature of 70°F, 2.9in of precipitation (over 3 days) and 78.3 % humidity.

Water and normal seasonal temperatures in Porto in september

September
Average sea temperature 65°F
Minimum sea temperature 62°F
Maximum sea temperature 68°F
Average outside temperature 72°F
Maximum outside temperature 77°F
Minimum outside temperature 65°F
Wind speed 9.9mph
Wind temperature 65°F
Precipitation 2.9in
Number of days of rain 3 jour(s)
(10%)
Humidity 79%
Visibility in kilometers 9.36km
Cloud cover 22%
Our opinion cool swimming

Swim elsewhere in Portugal in september

City Average T° Max. T° Our opinion
Lisbon in september68°F71°Fcool swimming
Albufeira in september71°F73°Fpleasant swimming
Aveiro in september65°F68°Fcool swimming
Faro (Algarve) in september72°F74°Fpleasant swimming
Lagos in september71°F72°Fpleasant swimming
Viana do Castelo in september65°F68°Fcool swimming
Cascais in september68°F71°Fcool swimming
Portimao in september70°F72°Fpleasant swimming
Praia de Mira in september67°F69°Fcool swimming
Sines in september69°F71°Fcool swimming
Caminha in september66°F68°Fcool swimming
Carvoeiro in september71°F73°Fpleasant swimming
Costa da Caparica in september68°F71°Fcool swimming
Foz do Arelho in september68°F70°Fcool swimming
Praia da Rocha in september71°F73°Fpleasant swimming
Ericeira in september68°F71°Fcool swimming
Estoril in september68°F71°Fcool swimming
Monte Gordo in september71°F74°Fpleasant swimming
Nazaré in september67°F70°Fcool swimming
Olhao in september71°F74°Fpleasant swimming

Swim in Portugal in september: sea temperature by city

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