Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Kochi (Shikoku), Japan in September
Weather score55Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 313mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
27°C
Rain
313mm
Sun
5.2h
Sea
27°C
Weather score
55
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 313mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Kochi (Shikoku), Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September27°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
September313mm average rain
September is wetter than Kochi (Shikoku)'s yearly average, so flexible plans matter more.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.2 hours average sun
September is below Kochi (Shikoku)'s yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September27°C average sea
September is one of Kochi (Shikoku)'s warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
Weather score
September55 weather score
September is one of Kochi (Shikoku)'s best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
Hotels near Kochi (Shikoku), Japan
Marriott
Yoruya, a Member of Design Hotels™Kurashiki shi, Japan
Fairfield by Marriott Hiroshima SeraSera, Hiroshima, Japan
Fairfield by Marriott Hyogo Awaji FukuraMinami Awaji, Hyogo, Japan
Sheraton Grand Hiroshima HotelHiroshima City, Hiroshima, Japan
Nanki-Shirahama Marriott HotelWakayama-ken, Wakayama, Japan
Fairfield by Marriott Okayama TsuyamaTsuyama, Okayama, Japan