Swimming in Aveiro in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Aveiro in september 2025.

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

Minimum: 62°F

Average: 65°F

Maximum: 68°F

Other useful seasonal weather averages in september:

  • Outside temperature: 63°F to 78°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 10.6mph
  • It rains a total of 2.5in, over 2 day(s).

Should we swim in Aveiro in september?

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

Swimming in september on the beaches of Aveiro 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, 2.5in of precipitation (over 2 days) and 80.28 % humidity.

Water and normal seasonal temperatures in Aveiro in september

September
Average sea temperature 65°F
Minimum sea temperature 62°F
Maximum sea temperature 68°F
Average outside temperature 70°F
Maximum outside temperature 79°F
Minimum outside temperature 63°F
Wind speed 10.6mph
Wind temperature 63°F
Precipitation 2.5in
Number of days of rain 2 jour(s)
(8%)
Humidity 81%
Visibility in kilometers 9.29km
Cloud cover 21%
Our opinion cool swimming

Chart of the tides in september 2025

Tide times in september 2025 in Aveiro

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
Faro (Algarve) in september72°F74°Fpleasant swimming
Lagos in september71°F72°Fpleasant swimming
Porto in september65°F68°Fcool 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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