Swimming in Okinawa in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Okinawa in september 2025.

In september, according to seasonal norms, the sea temperature in Okinawa is:

Minimum: 82°F

Average: 83°F

Maximum: 85°F

Other useful seasonal weather averages in september:

  • Outside temperature: 82°F to 84°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 17.4mph
  • It rains a total of 9.3in, over 10 day(s).

Should we swim in Okinawa in september?

Yes! The water temperature in Okinawa in september is ideal

In september, swimming is ideal on the beaches around Okinawa! With water reaching 85°F at most and 83°F on average, spending time in the water is very pleasant.

Note also that in september, the climate is good with an average outside temperature of 83°F, 9.3in of precipitation (over 10 days) and 80.94 % humidity.

Water and normal seasonal temperatures in Okinawa in september

September
Average sea temperature 83°F
Minimum sea temperature 82°F
Maximum sea temperature 85°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Wind speed 15.5mph
Wind temperature 83°F
Precipitation 9.3in
Number of days of rain 10 jour(s)
(33%)
Humidity 81%
Visibility in kilometers 9.43km
Cloud cover 39%
Our opinion ideal swimming

Chart of the tides in september 2025

Tide times in september 2025 in Okinawa

Swim elsewhere in Japan in september

City Average T° Max. T° Our opinion
Tokyo in september78°F82°Fpleasant swimming
Fukuoka in september79°F83°Fpleasant swimming
Hiroshima in september79°F82°Fpleasant swimming
Kochi in september81°F83°Fideal swimming
Nagoya in september79°F83°Fpleasant swimming
Osaka in september80°F83°Fideal swimming
Sapporo (Hokkaido) in september69°F74°Fcool swimming
Abashiri in september63°F68°Fcold swimming
Akita in september76°F80°Fpleasant swimming
Aomori in september73°F78°Fpleasant swimming
Hakodate in september70°F75°Fcool swimming
Hakone in september79°F83°Fpleasant swimming
Izumo in september79°F82°Fideal swimming
Kagoshima (Kyushu) in september82°F84°Fideal swimming
Kanazawa in september79°F83°Fpleasant swimming
Kobe in september79°F83°Fideal swimming
Nagasaki in september80°F83°Fideal swimming
Nago in september83°F85°Fideal swimming
Naha in september83°F85°Fideal swimming
Okayama in september79°F82°Fpleasant swimming

Swim in Japan in september: sea temperature by city

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