Swimming in Sendai (Honshu) in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Sendai (Honshu) in september 2025.

In september, according to seasonal norms, the sea temperature in Sendai (Honshu) is:

Minimum: 69°F

Average: 74°F

Maximum: 78°F

Other useful seasonal weather averages in september:

  • Outside temperature: 67°F to 77°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 12.4mph
  • It rains a total of 7.6in, over 7 day(s).

Should we swim in Sendai (Honshu) in september?

Yes! The water temperature in Sendai (Honshu) in september is pleasant

Swimming in september is pleasant in Sendai (Honshu) and the surrounding area. The sea temperature is 74°F on average (min/max: 69°F/78°F), allowing you to swim for a long time and enjoy water sports.

Note also that in september, the climate is good with an average outside temperature of 72°F, 7.5in of precipitation (over 7 days) and 87.27 % humidity.

Water and normal seasonal temperatures in Sendai (Honshu) in september

September
Average sea temperature 74°F
Minimum sea temperature 69°F
Maximum sea temperature 78°F
Average outside temperature 72°F
Maximum outside temperature 77°F
Minimum outside temperature 68°F
Wind speed 9.3mph
Wind temperature 68°F
Precipitation 7.6in
Number of days of rain 7 jour(s)
(23%)
Humidity 88%
Visibility in kilometers 9.02km
Cloud cover 43%
Our opinion pleasant swimming

Chart of the tides in september 2025

Tide times in september 2025 in Sendai (Honshu)

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
Okinawa in september83°F85°Fideal 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

Change units