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

Average sea temperature in Gotland in september 2025.

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

Minimum: 53°F

Average: 61°F

Maximum: 68°F

Other useful seasonal weather averages in september:

  • Outside temperature: 57°F to 61°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 8.1mph
  • It rains a total of 2.6in, over 4 day(s).

Should we swim in Gotland in september?

No... The water temperature in Gotland in september is cold

Swimming in Gotland in september is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average sea temperature of 61°F (minimum: 53°F - maximum: 68°F).

Note also that in september, the climate is good with an average outside temperature of 59°F, 2.6in of precipitation (over 4 days) and 81.67 % humidity.

Water and normal seasonal temperatures in Gotland in september

September
Average sea temperature 61°F
Minimum sea temperature 53°F
Maximum sea temperature 68°F
Average outside temperature 59°F
Maximum outside temperature 61°F
Minimum outside temperature 58°F
Wind speed 15.5mph
Wind temperature 56°F
Precipitation 2.6in
Number of days of rain 4 jour(s)
(14%)
Humidity 82%
Visibility in kilometers 9.57km
Cloud cover 40%
Our opinion cold swimming

Chart of the tides in september 2025

Tide times in september 2025 in Gotland

Swim elsewhere in Sweden in september

City Average T° Max. T° Our opinion
Stockholm in september59°F67°Ffreezing swimming
Gothenburg in september61°F66°Fcold swimming
Gävle in september58°F64°Ffreezing swimming
Malmo in september62°F68°Fcold swimming
Sundsvall in september56°F64°Ffreezing swimming
Sandhamn in september59°F67°Ffreezing swimming
Helsingborg in september62°F67°Fcold swimming

Swim in Sweden in september: sea temperature by city

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