Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Tokara Islands, Japan in September
Weather score59Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 201mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
201mm
Sun
0h
Sea
28°C
Weather score
59
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 201mm, so showers are a real planning factor.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Tokara Islands, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September201mm average rain
September sits near Tokara Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April, August, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September0 hours average sun
September is close to Tokara Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
September28°C average sea
September is one of Tokara Islands' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
September59 weather score
September scores above Tokara Islands' yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to November
These months have the strongest weather score in the monthly averages.
