Warm
Average highs sit around 29掳C, giving warm days by monthly-average standards.
September verdict
Amami Islands, Japan in September
Weather score58Good
Good for holiday weather
Average highs sit around 29掳C, giving warm days by monthly-average standards. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 201mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
29掳C
Rain
201mm
Sun
6.3h
Sea
28掳C
Weather score
58
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 201mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28掳C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Amami Islands, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September29掳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 Amami Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.3 hours average sun
September is brighter than Amami Islands' yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September28掳C average sea
September is one of Amami Islands' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 28掳C in this stretch, so swimming comfort is at its strongest.
Weather score
September58 weather score
September scores above Amami Islands' yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
