Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
September verdict
Mixed for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 3.9h per day, so this is not one of the brighter months. Rainfall averages 176mm, so some wet days are possible.
Monthly averages
Temp
26°C
Rain
176mm
Sun
3.9h
Weather score
54
Mixed
Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 176mm, so some wet days are possible.
Limited sun
Sunshine averages 3.9h per day, so this is not one of the brighter months.
Map
Compare Urayasu, Chiba, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
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.
September176mm average rain
September is one of Urayasu'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.
September3.9 hours average sun
September is one of Urayasu's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to May, August, and December
This stretch has the strongest sunshine in the monthly averages.
September54 weather score
September scores above Urayasu'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.