Chengdu weather in September 2026

Expect daytime maximum temperatures of 25°C in Chengdu, China in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 17 days with some rainfall and typically 142 mm of rainfall in the month.

  • 25°C maximum daytime temperature in September in Chengdu25
    25°C max day temperature
  • 3 hours of sunshine per day
  • 17 days with some rainfall in September in Chengdu17
    17 days with some rainfall
  • 18°C minimum night-time temperature in September in Chengdu18
    18°C min night temperature
  • 12 hours of daylight per day in September in Chengdu12
    12 hours of daylight per day
  • Low heat & humidity in September in ChengduL
    Low heat & humidity
  • 142 mm monthly rainfall in September in Chengdu142
    142 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Chengdu9
    9 (Very High) UV index

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The September weather guide for China (Chengdu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Chengdu in September?

Daytime temperatures usually reach 26°C in Chengdu in September with low heat and humidity, falling to 14°C at night.

How sunny is it in Chengdu in September?

There are normally 8 hours of bright sunshine each day in Chengdu in September - that's 64% of daylight hours.

Does it rain in Chengdu in September?

There are usually 7 days with some rain in Chengdu in September and the average monthly rainfall is 42mm.

Chengdu September sunrise & sunset times

Browse the sunrise and sunset times for Chengdu in September 2026. Select a month to view Chengdu sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:40 19:27
Tuesday, 15th September 2026 06:48 19:10
Wednesday, 30th September 2026 06:56 18:51

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