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

Average sea temperature in Reykjavik in september 2024.

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

Minimum: 47°F

Average: 50°F

Maximum: 52°F

Other useful seasonal weather averages in september:

  • Outside temperature: 45°F to 51°F
  • Most common weather: "Cloudy"
  • The wind blows at 2.5mph
  • It rains a total of 5.4in, over 10 day(s).

Should we swim in Reykjavik in september?

No... The water temperature in Reykjavik in september is freezing

You won't be able to swim in Reykjavik in september! The water temperature is freezing, reaching as low as 47°F (and only 52°F at best)! Our advice: if you are going to Reykjavik this month, plan to sightsee and forget the beach!

Note also that in september, the climate is bad with an average outside temperature of 48°F, 5.3in of precipitation (over 10 days) and 86.77 % humidity.

Water and normal seasonal temperatures in Reykjavik in september

September
Average sea temperature 50°F
Minimum sea temperature 47°F
Maximum sea temperature 52°F
Average outside temperature 49°F
Maximum outside temperature 52°F
Minimum outside temperature 47°F
Wind speed 16.8mph
Wind temperature 40°F
Precipitation 5.4in
Number of days of rain 10 jour(s)
(33%)
Humidity 87%
Visibility in kilometers 8.69km
Cloud cover 66%
Our opinion freezing swimming

Swim elsewhere in Iceland in september

City Average T° Max. T° Our opinion
Akranes in september50°F53°Ffreezing swimming
Akureyri in september46°F49°Ffreezing swimming
Arnarstapi in september49°F51°Ffreezing swimming
Borgarnes in september49°F51°Ffreezing swimming
Dalvik in september45°F49°Ffreezing swimming
Djúpavík in september46°F49°Ffreezing swimming
Djúpivogur in september49°F52°Ffreezing swimming
Dyrholaey in september51°F53°Ffreezing swimming
Flatey island in september49°F51°Ffreezing swimming
Grindavík in september51°F53°Ffreezing swimming
Hofn in september49°F52°Ffreezing swimming
Hornstrandir in september46°F49°Ffreezing swimming
Húsavík in september46°F49°Ffreezing swimming
Hvitserkur in september45°F49°Ffreezing swimming
Ísafjörður in september46°F49°Ffreezing swimming
Jokulsarlon in september49°F52°Ffreezing swimming
Keflavík in september50°F53°Ffreezing swimming
Kopavogur in september50°F53°Ffreezing swimming
Miðgarðar in september45°F48°Ffreezing swimming
Mosfellsbaer in september50°F53°Ffreezing swimming
Ólafsvík in september49°F51°Ffreezing swimming

Swim in Iceland in september: sea temperature by city

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