Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
September verdict
Iki, Japan in September
Weather score60Good
Good for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 204mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
26°C
Rain
204mm
Sun
5.2h
Sea
26°C
Weather score
60
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 204mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Iki, 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
September204mm average rain
September sits near Iki's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and October 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 sits close to Iki's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September26°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
September60 weather score
September is one of Iki's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.
Hotels near Iki, Japan
Marriott
Iki Retreat by Onko Chishin, a Member of Design Hotels™Iki, Nagasaki, Japan
The Ritz-Carlton, FukuokaFukuoka, Japan
Four Points Flex by Sheraton Fukuoka HakataFukuoka, Fukuoka, Japan
Fairfield by Marriott Saga Ureshino OnsenUreshino, Saga, Japan
Fairfield by Marriott Fukuoka UkihaUkiha, Fukuoka, Japan
Nagasaki Marriott HotelNagasaki, Nagasaki, Japan