Suzhou weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Suzhou in September. Check more long-term weather averages for Suzhou in September before you book your next holiday to China in 2025/2026.

  • 27°C maximum daytime temperature in September in Suzhou27
    27°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in Suzhou13
    13 days with some rainfall
  • 20°C minimum night-time temperature in September in Suzhou20
    20°C min night temperature
  • 12 hours of daylight per day in September in Suzhou12
    12 hours of daylight per day
  • Moderate heat & humidity in September in SuzhouM
    Moderate heat & humidity
  • 134 mm monthly rainfall in September in Suzhou134
    134 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Suzhou9
    9 (Very High) UV index

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The September weather guide for China (Suzhou) 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 Suzhou in September?

Daytime temperatures usually reach 27°C in Suzhou in September with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Suzhou in September?

There are normally 6 hours of bright sunshine each day in Suzhou in September - that's 45% of daylight hours.

Does it rain in Suzhou in September?

There are usually 13 days with some rain in Suzhou in September and the average monthly rainfall is 134mm.

What is the chance of a typhoon in Suzhou in September?

On average less than 1 day in September in Suzhou is likely to be affected by the passage of one or more tropical storms.

Suzhou September sunrise & sunset times

Browse the sunrise and sunset times for Suzhou in September 2025. Select a month to view Suzhou sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:33 18:21
Monday, 15th September 2025 05:42 18:04
Tuesday, 30th September 2025 05:51 17:44

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