Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 182mm, so showers are a real planning factor.
Monthly averages
Temp
27°C
Rain
182mm
Sun
5.1h
Sea
26°C
Weather score
62
Good
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 182mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Compare Kitakyushu, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
September27°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.
September182mm average rain
September sits near Kitakyushu'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.
September5.1 hours average sun
September sits close to Kitakyushu's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
September26°C average sea
September is one of Kitakyushu's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
September62 weather score
September is one of Kitakyushu'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.
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