Mild
Average highs are around 24°C, so days are mild rather than hot.
September verdict
Sado Island, Japan in September
Weather score51Mixed
Mixed for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 171mm, so some wet days are possible.
September weather
Monthly averages
Temp
24°C
Rain
171mm
Sun
4.7h
Sea
25°C
Weather score
51
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 171mm, so some wet days are possible.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Sado Island, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September24°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
September171mm average rain
September is one of Sado Island's wettest months, so rain is likely to be a major planning factor.
Driest monthsFebruary to May
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.7 hours average sun
September sits close to Sado Island's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to June and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September25°C average sea
September is one of Sado Island's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
September51 weather score
September scores above Sado Island's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels near Sado Island, Japan
Marriott
Courtyard HakubaNagano, Nagano, Japan
The Ritz-Carlton, NikkoNikko, Tochigi, Japan
Fairfield by Marriott Tochigi NikkoTochigi, Tochigi, Japan
Karuizawa Marriott HotelKaruizawa, Japan
Matsumoto Jujo, a Member of Design Hotels™Matsumoto, Nagano, Japan
Fairfield by Marriott Tochigi UtsunomiyaTochigi, Tochigi, Japan