Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Mixed for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 196mm, so showers are a real planning factor.
Monthly averages
Temp
27°C
Rain
196mm
Sun
4h
Weather score
53
Mixed
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 196mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4h per day, so this is not one of the brighter months.
Map
Compare Yokohama, Kanagawa, 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.
September196mm average rain
September is one of Yokohama'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.
September4 hours average sun
September is one of Yokohama's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary, April to May, August, and December
This stretch has the strongest sunshine in the monthly averages.
September53 weather score
September scores above Yokohama's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay and July to September
These months have the strongest weather score in the monthly averages.