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

Average sea temperature in Castelsardo in september 2025.

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

Minimum: 70°F

Average: 75°F

Maximum: 79°F

Other useful seasonal weather averages in september:

  • Outside temperature: 68°F to 77°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 13.1mph
  • It rains a total of 2.3in, over 3 day(s).

Should we swim in Castelsardo in september?

Yes! The water temperature in Castelsardo in september is pleasant

Swimming in september is pleasant in Castelsardo and the surrounding area. The sea temperature is 75°F on average (min/max: 70°F/79°F), allowing you to swim for a long time and enjoy water sports.

Note also that in september, the climate is perfect with an average outside temperature of 73°F, 2.3in of precipitation (over 3 days) and 75.96 % humidity.

Water and normal seasonal temperatures in Castelsardo in september

September
Average sea temperature 75°F
Minimum sea temperature 70°F
Maximum sea temperature 79°F
Average outside temperature 74°F
Maximum outside temperature 77°F
Minimum outside temperature 70°F
Wind speed 11.2mph
Wind temperature 70°F
Precipitation 2.3in
Number of days of rain 3 jour(s)
(11%)
Humidity 76%
Visibility in kilometers 9.82km
Cloud cover 18%
Our opinion pleasant swimming

Chart of the tides in september 2025

Tide times in september 2025 in Castelsardo

Swim elsewhere in Sardinia in september

City Average T° Max. T° Our opinion
Cagliari in september76°F80°Fpleasant swimming
Alghero in september75°F79°Fpleasant swimming
Olbia in september75°F80°Fpleasant swimming
La Maddalena in september75°F80°Fpleasant swimming
Palau in september74°F80°Fpleasant swimming
Pula in september76°F80°Fpleasant swimming

Swim in Sardinia in september: sea temperature by city

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