World Resorts Japan Weather

Sea water temperature in Japan in September

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In September warmest sea in Japan is usually observed in the following locations: Okinawa, Nagoya, Nagasaki.

Table below shows the average sea water temperature for marine resorts of Japan in September for the last three years.

Place name September 2023 September 2022 September 2021
Okinawa 84.6°F 83.7°F 84.5°F
Nagoya 83.8°F 81.5°F 78.5°F
Nagasaki 82.5°F 80.8°F 80.4°F
Osaka 82.3°F 80.5°F 78.7°F
Nara 82.1°F 80.5°F 78.4°F
Kobe 82.0°F 80.6°F 78.4°F
Kyoto 82.0°F 80.5°F 77.7°F
Tokyo 81.5°F 78.6°F 78.2°F
Yokohama 81.2°F 78.2°F 77.9°F
Fukuoka 81.1°F 78.9°F 79.2°F
Atami 80.6°F 79.0°F 77.9°F
Hakone 80.5°F 78.4°F 77.6°F
Kamakura 80.5°F 77.8°F 77.3°F
Hiroshima 80.1°F 79.1°F 78.0°F
Sapporo 74.3°F 70.3°F 70.1°F
Noboribetsu 73.4°F 68.8°F 67.9°F

Charts below show average sea water temperature for Japan resorts with the warmest sea in September.

You can also check other months of the year to see sea temperature of Japan resorts at that time.

Places in Japan:
Name
°F
+55°F
+57°F
+52°F
+57°F
+59°F
+57°F
+54°F
+39°F
+70°F
+55°F
+34°F
+55°F
+55°F
+54°F
+48°F
Units of measurement: °C / °F