Water temperature of the Sea of Japan in september Where to swim in the Sea of Japan in september 2024?

Several countries border the seaside of the Sea of Japan, including: South Korea, Japan 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 61°F and 80°F. The lowest sea temperature measured this month is 56°F and the highest is 83°F.

The sea temperature map of the Sea of Japan in september

The map below presents a monthly average of the water temperature of the Sea of Japan 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 swimming

Where can you swim in the Sea of Japan in september?

Below, see the average temperatures measured in september in the different countries on the shores of the Sea of Japan.

South Korea

Sea temperature in september at the shore of the Sea of Japan:

71°F to 78°F

pleasant swimming

Japan

Sea temperature in september at the shore of the Sea of Japan:

67°F to 80°F

ideal swimming

Russia

Sea temperature in september at the shore of the Sea of Japan:

61°F to 66°F

cool swimming

Water temperature of the Sea of Japan: choose another month

See monthly seasonal averages of the water temperature of the Sea of Japan by clicking on the links below:

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