Water temperature of the South China Sea in september Where to swim in the South China Sea in september 2023?

Several countries border the seaside of the South China Sea, including: Borneo (Kalimantan), Brunei, Cambodia, China, Hong Kong, Malaysia, Palawan island, Philippines, Singapore and Sumatra. 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 81°F and 86°F. The lowest sea temperature measured this month is 78°F and the highest is 89°F.

The sea temperature map of the South China Sea in september

The map below presents a monthly average of the water temperature of the South China Sea 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.

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Where can you swim in the South China Sea in september?

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

Borneo (Kalimantan)

Sea temperature in september at the shore of the South China Sea:

84°F to 85°F

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Brunei

Sea temperature in september at the shore of the South China Sea:

85°F to 86°F

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Cambodia

Sea temperature in september at the shore of the South China Sea:

84°F

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China

Sea temperature in september at the shore of the South China Sea:

81°F to 85°F

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Hong Kong

Sea temperature in september at the shore of the South China Sea:

83°F to 84°F

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Malaysia

Sea temperature in september at the shore of the South China Sea:

85°F to 86°F

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Palawan island

Sea temperature in september at the shore of the South China Sea:

83°F to 85°F

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Philippines

Sea temperature in september at the shore of the South China Sea:

83°F to 85°F

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Singapore

Sea temperature in september at the shore of the South China Sea:

85°F to 86°F

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Sumatra

Sea temperature in september at the shore of the South China Sea:

85°F to 86°F

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Taiwan

Sea temperature in september at the shore of the South China Sea:

84°F to 84°F

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Vietnam

Sea temperature in september at the shore of the South China Sea:

83°F to 85°F

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Water temperature of the South China Sea: choose another month

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

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