Water temperature of the Atlantic Ocean in september Where to swim in the Atlantic Ocean in september 2025?

Several countries border the seaside of the Atlantic Ocean, including: Azores, South Africa, England, Angola, Argentina, Bahamas, Barbados, Benin, Bermuda and Brazil. 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 32°F and 86°F. The lowest sea temperature measured this month is 32°F and the highest is 89°F.

The sea temperature map of the Atlantic Ocean in september

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

Where can you swim in the Atlantic Ocean in september?

Below, see the average temperatures measured in september in the different countries on the shores of the Atlantic Ocean.

Azores

Sea temperature in september at the shore of the Atlantic Ocean:

32°F to 74°F

pleasant swimming

South Africa

Sea temperature in september at the shore of the Atlantic Ocean:

58°F to 61°F

cold swimming

England

Sea temperature in september at the shore of the Atlantic Ocean:

61°F to 63°F

cool swimming

Angola

Sea temperature in september at the shore of the Atlantic Ocean:

71°F to 74°F

pleasant swimming

Argentina

Sea temperature in september at the shore of the Atlantic Ocean:

41°F to 58°F

freezing swimming

Bahamas

Sea temperature in september at the shore of the Atlantic Ocean:

85°F to 86°F

ideal swimming

Barbados

Sea temperature in september at the shore of the Atlantic Ocean:

86°F

ideal swimming

Benin

Sea temperature in september at the shore of the Atlantic Ocean:

79°F

pleasant swimming

Bermuda

Sea temperature in september at the shore of the Atlantic Ocean:

82°F

ideal swimming

Brazil

Sea temperature in september at the shore of the Atlantic Ocean:

58°F to 83°F

ideal swimming

Brittany

Sea temperature in september at the shore of the Atlantic Ocean:

61°F to 65°F

cool swimming

Cameroon

Sea temperature in september at the shore of the Atlantic Ocean:

81°F

ideal swimming

Canada

Sea temperature in september at the shore of the Atlantic Ocean:

53°F to 62°F

cold swimming

Canary Islands

Sea temperature in september at the shore of the Atlantic Ocean:

73°F to 76°F

pleasant swimming

Cape Verde

Sea temperature in september at the shore of the Atlantic Ocean:

80°F to 82°F

ideal swimming

Charentes

Sea temperature in september at the shore of the Atlantic Ocean:

67°F to 68°F

cool swimming

Chile

Sea temperature in september at the shore of the Atlantic Ocean:

43°F

freezing swimming

Congo-Brazzaville

Sea temperature in september at the shore of the Atlantic Ocean:

75°F

pleasant swimming

Ivory Coast

Sea temperature in september at the shore of the Atlantic Ocean:

77°F to 79°F

pleasant swimming

Cuba

Sea temperature in september at the shore of the Atlantic Ocean:

85°F to 86°F

ideal swimming

Denmark

Sea temperature in september at the shore of the Atlantic Ocean:

51°F to 52°F

freezing swimming

Water temperature of the Atlantic Ocean: choose another month

See monthly seasonal averages of the water temperature of the Atlantic Ocean by clicking on the links below:

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