Swimming in Tokyo in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Tokyo in september 2025.
In september, according to seasonal norms, the sea temperature in Tokyo is:
Minimum: 74°F
Average: 78°F
Maximum: 82°F
Other useful seasonal weather averages in september:
- Outside temperature: 74°F to 83°F
- Most common weather: "Clear/Sunny"
- The wind blows at 14.3mph
- It rains a total of 5.5in, over 6 day(s).
Should we swim in Tokyo in september?
Yes! The water temperature in Tokyo in september is pleasant
Swimming in september is pleasant in Tokyo and the surrounding area. The sea temperature is 78°F on average (min/max: 74°F/82°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 78°F, 5.5in of precipitation (over 6 days) and 79.48 % humidity.
Water and normal seasonal temperatures in Tokyo in september
| September | |||
| Average sea temperature | 78°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 82°F | ||
| Average outside temperature | 79°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 74°F | ||
| Wind speed | 11.2mph | ||
| Wind temperature | 74°F | ||
| Precipitation | 5.5in | ||
| Number of days of rain | 6 jour(s) (22%) | ||
| Humidity | 80% | ||
| Visibility in kilometers | 9.37km | ||
| Cloud cover | 42% | ||
| Our opinion | pleasant swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Tokyo
Swim elsewhere in Japan in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Fukuoka in september | 79°F | 83°F | pleasant swimming | Hiroshima in september | 79°F | 82°F | pleasant swimming | Kochi in september | 81°F | 83°F | ideal swimming | Nagoya in september | 79°F | 83°F | pleasant swimming | Okinawa in september | 83°F | 85°F | ideal swimming | Osaka in september | 80°F | 83°F | ideal swimming | Sapporo (Hokkaido) in september | 69°F | 74°F | cool swimming | Abashiri in september | 63°F | 68°F | cold swimming | Akita in september | 76°F | 80°F | pleasant swimming | Aomori in september | 73°F | 78°F | pleasant swimming | Hakodate in september | 70°F | 75°F | cool swimming | Hakone in september | 79°F | 83°F | pleasant swimming | Izumo in september | 79°F | 82°F | ideal swimming | Kagoshima (Kyushu) in september | 82°F | 84°F | ideal swimming | Kanazawa in september | 79°F | 83°F | pleasant swimming | Kobe in september | 79°F | 83°F | ideal swimming | Nagasaki in september | 80°F | 83°F | ideal swimming | Nago in september | 83°F | 85°F | ideal swimming | Naha in september | 83°F | 85°F | ideal swimming | Okayama in september | 79°F | 82°F | pleasant swimming |