Mild
Average highs are around 22°C, so days are mild rather than hot.
September verdict
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 157mm, so some wet days are possible.
Monthly averages
Temp
22°C
Rain
157mm
Sun
4.9h
Sea
22°C
Weather score
42
Mixed
Mild
Average highs are around 22°C, so days are mild rather than hot.
Showers
Rainfall averages 157mm, so some wet days are possible.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Compare Towada-Hachimantai National Park, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
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.
September157mm average rain
September is one of Towada-Hachimantai National Park's wettest months, so rain is likely to be a major planning factor.
Driest monthsFebruary to June and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September4.9 hours average sun
September sits close to Towada-Hachimantai National Park's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
September22°C average sea
September is one of Towada-Hachimantai National Park's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
September42 weather score
September sits close to Towada-Hachimantai National Park's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.