Mild
Average highs are around 24°C, so days are mild rather than hot.
September verdict
Shizuoka, Japan in September
Weather score48Mixed
Mixed for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 4.3h per day, so this is not one of the brighter months. Rainfall averages 243mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
24°C
Rain
243mm
Sun
4.3h
Sea
26°C
Weather score
48
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 243mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.3h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Shizuoka, 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
September243mm average rain
September is wetter than Shizuoka's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.3 hours average sun
September is one of Shizuoka's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to May, August, and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September26°C average sea
September is one of Shizuoka's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
September48 weather score
September scores above Shizuoka'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.
