September verdict

Noboribetsu, Japan in September

Weather score38Poor

Poor for holiday weather

Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 164mm, so some wet days are possible.

September weather

Monthly averages

Temp

20°C

Rain

164mm

Sun

5.3h

Sea

20°C

Weather score

38

Poor

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Mild

Average highs are around 20°C, so days are mild rather than hot.

Showers

Rainfall averages 164mm, so some wet days are possible.

Some sun

Sunshine averages 5.3h per day, enough for a balanced month.

Cool sea

Sea temperatures average 20°C, so the water can feel cool.

Map

Weather map

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

Temperature

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September20°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.

September164mm average rain

September is wetter than Noboribetsu's yearly average, so flexible plans matter more.

Driest monthsJanuary to May and November to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

September5.3 hours average sun

September is brighter than Noboribetsu's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsApril to June

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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September20°C average sea

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

Warmest seaJuly to October

Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.

Weather score

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September38 weather score

September scores above Noboribetsu'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.

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