September verdict

Mount Ishizuchi, Japan in September

Weather score45Mixed

Mixed for holiday weather

Average highs are around 22°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 236mm, so showers are a real planning factor.

September weather

Monthly averages

Temp

22°C

Rain

236mm

Sun

4.7h

Sea

27°C

Weather score

45

Mixed

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Mild

Average highs are around 22°C, so days are mild rather than hot.

Wet

Rainfall averages 236mm, so showers are a real planning factor.

Limited sun

Sunshine averages 4.7h per day, so this is not one of the brighter months.

Swimmable

Sea temperatures average 27°C, which can work for swimming but may feel fresh.

Map

Weather map

Compare Mount Ishizuchi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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September22°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.

September236mm average rain

September sits near Mount Ishizuchi's 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.

September4.7 hours average sun

September is below Mount Ishizuchi's yearly sunshine average, so bright-day planning is less reliable than in peak months.

Brightest monthsMarch to May and July to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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September27°C average sea

September is one of Mount Ishizuchi's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJuly to September

Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.

Weather score

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September45 weather score

September scores above Mount Ishizuchi's yearly average, so the overall weather mix is stronger than most months.

Best weather monthsJuly to September

These months have the strongest weather score in the monthly averages.

Hotels near Mount Ishizuchi, Japan