Mild
Average highs are around 26°C, so days are mild rather than hot.
September verdict
Nanao (Japan), Japan in September
Weather score50Mixed
Mixed for holiday weather
Average highs are around 26°C, so days are mild rather than hot. Sunshine averages 4.5h per day, so this is not one of the brighter months. Rainfall averages 247mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
26°C
Rain
247mm
Sun
4.5h
Sea
25°C
Weather score
50
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 247mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.5h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Nanao (Japan), Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September26°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
September247mm average rain
September is wetter than Nanao (Japan)'s yearly average, so flexible plans matter more.
Driest monthsFebruary to June, August, and October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.5 hours average sun
September sits close to Nanao (Japan)'s yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to May and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September25°C average sea
September is one of Nanao (Japan)'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
September50 weather score
September scores above Nanao (Japan)'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 Nanao (Japan), Japan
Marriott
Four Points Flex by Sheraton KanazawaKanazawa, Ishikawa, Japan
Courtyard HakubaNagano, Nagano, Japan
Fairfield by Marriott Gifu Takayama Shirakawa GoGifu, Japan
Matsumoto Jujo, a Member of Design Hotels™Matsumoto, Nagano, Japan
Courtyard FukuiFukui, Fukui, Japan
Fairfield by Marriott Gifu GujoGifu, Gifu, Japan