Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
September verdict
Nagoya, Aichi, Japan in September
Weather score58Good
Good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 220mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
28°C
Rain
220mm
Sun
4.7h
Sea
26°C
Weather score
58
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 220mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Nagoya, Aichi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September28°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
September220mm average rain
September is one of Nagoya's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.7 hours average sun
September is one of Nagoya's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMarch to May 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
September58 weather score
September is one of Nagoya's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
