Swimming in Nagasaki in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Nagasaki in september 2025.
In september, according to seasonal norms, the sea temperature in Nagasaki is:
Minimum: 78°F
Average: 80°F
Maximum: 83°F
Other useful seasonal weather averages in september:
- Outside temperature: 75°F to 81°F
- Most common weather: "Clear/Sunny"
- The wind blows at 14.9mph
- It rains a total of 12.3in, over 11 day(s).
Should we swim in Nagasaki in september?
Yes! The water temperature in Nagasaki in september is ideal
In september, swimming is ideal on the beaches around Nagasaki! With water reaching 83°F at most and 80°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is tolerable with an average outside temperature of 78°F, 12.3in of precipitation (over 11 days) and 82.71 % humidity.
Water and normal seasonal temperatures in Nagasaki in september
| September | |||
| Average sea temperature | 80°F | ||
| Minimum sea temperature | 78°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 79°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 76°F | ||
| Wind speed | 10.6mph | ||
| Wind temperature | 76°F | ||
| Precipitation | 12.3in | ||
| Number of days of rain | 11 jour(s) (37%) | ||
| Humidity | 83% | ||
| Visibility in kilometers | 9.21km | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Nagasaki
Swim elsewhere in Japan in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Tokyo in september | 78°F | 82°F | pleasant swimming | 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 | 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 |