Mild
Average highs are around 25°C, so days are mild rather than hot.
September verdict
Mixed for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 3.7h per day, so this is not one of the brighter months. Rainfall averages 205mm, so showers are a real planning factor.

Monthly averages
Temp
25°C
Rain
205mm
Sun
3.7h
Weather score
45
Mixed
Mild
Average highs are around 25°C, so days are mild rather than hot.
Wet
Rainfall averages 205mm, so showers are a real planning factor.
Limited sun
Sunshine averages 3.7h per day, so this is not one of the brighter months.
Map
Compare Tochigi, Tochigi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
September25°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.
September205mm average rain
September is one of Tochigi's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September3.7 hours average sun
September is one of Tochigi's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to May and December
This stretch has the strongest sunshine in the monthly averages.
September45 weather score
September sits close to Tochigi's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.