Water temperature of the Arctic Ocean in september Where to swim in the Arctic Ocean in september 2025?
Several countries border the seaside of the Arctic Ocean, including: Alaska, Canada, Greenland, Iceland, Lapland, Norway and Russia. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of september.
Several countries border the seaside of the Arctic Ocean, including: Alaska, Canada, Greenland, Iceland, Lapland, Norway and Russia.
We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of september.
The seasonal average for the water temperature in the month of september is between 33°F and 57°F. The lowest sea temperature measured this month is 29°F and the highest is 62°F.
The sea temperature map of the Arctic Ocean in september
The map below presents a monthly average of the water temperature of the Arctic Ocean for the month of september for several coastal cities. You can zoom and move around on the map. By clicking on the markers, you can see sea temperature details by city in september.
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWhere can you swim in the Arctic Ocean in september?
Below, see the average temperatures measured in september in the different countries on the shores of the Arctic Ocean.
Alaska
47°F
freezing swimmingCanada
34°F to 42°F
freezing swimmingGreenland
36°F to 40°F
freezing swimmingIceland
45°F to 46°F
freezing swimmingLapland
48°F to 51°F
freezing swimmingNorway
51°F to 57°F
freezing swimmingRussia
33°F to 49°F
freezing swimmingWater temperature of the Arctic Ocean: choose another month
See monthly seasonal averages of the water temperature of the Arctic Ocean by clicking on the links below: