Mild
Average highs are around 21°C, so days are mild rather than hot.
September verdict
Yagen Valley, Japan in September
Weather score39Poor
Poor for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 168mm, so some wet days are possible.
September weather
Monthly averages
Temp
21°C
Rain
168mm
Sun
5.1h
Sea
22°C
Weather score
39
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 168mm, so some wet days are possible.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Yagen Valley, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September21°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.
Rain
September168mm average rain
September is one of Yagen Valley's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.1 hours average sun
September sits close to Yagen Valley'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.
Sea temperature
September22°C average sea
September is one of Yagen Valley'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
September39 weather score
September sits close to Yagen Valley'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.
Hotels near Yagen Valley, Japan
Marriott
Four Points Flex by Sheraton Hakodate StationHakodate, Hokkaido, Japan
The Westin Rusutsu ResortRusutsu-mura, Abuta-gun, Hokkaido, Japan
Higashiyama Niseko Village, a Ritz-Carlton ReserveNiseko, Hokkaido, Japan
Fairfield by Marriott Hokkaido EniwaEniwa, Hokkaido, Japan
Fairfield by Marriott Hokkaido NaganumaYubari-gun, Hokkaido, Japan
Courtyard SapporoSapporo, Hokkaido, Japan