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 3.1h per day, so this is not one of the brighter months. Rainfall averages 142mm, so some wet days are possible.
Monthly averages
Temp
25°C
Rain
142mm
Sun
3.1h
Weather score
51
Mixed
Mild
Average highs are around 25°C, so days are mild rather than hot.
Showers
Rainfall averages 142mm, so some wet days are possible.
Limited sun
Sunshine averages 3.1h per day, so this is not one of the brighter months.
Map
Compare Chengdu, Sichuan, China 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 monthsMay to September
This stretch sets the upper range for average daytime heat.
September142mm average rain
September sits near Chengdu's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September3.1 hours average sun
September is below Chengdu's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
September51 weather score
September sits close to Chengdu's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMay to June
These months have the strongest weather score in the monthly averages.