Hangzhou weather in September 2025

Expect daytime maximum temperatures of 27°C in Hangzhou in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 169 mm of rainfall in the month.

  • 27°C maximum daytime temperature in September in Hangzhou27
    27°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in Hangzhou14
    14 days with some rainfall
  • 20°C minimum night-time temperature in September in Hangzhou20
    20°C min night temperature
  • 12 hours of daylight per day in September in Hangzhou12
    12 hours of daylight per day
  • Moderate heat & humidity in September in HangzhouM
    Moderate heat & humidity
  • 169 mm monthly rainfall in September in Hangzhou169
    169 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Hangzhou9
    9 (Very High) UV index
  • 25°C sea temperature in September in Hangzhou25
    25°C sea temperature

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

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

How sunny is it in Hangzhou in September?

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

How warm is the sea around Hangzhou in September?

The average sea temperature around Hangzhou in September is 25°C.

Does it rain in Hangzhou in September?

There are usually 14 days with some rain in Hangzhou in September and the average monthly rainfall is 169mm.

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

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

Hangzhou September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:36 18:22
Monday, 15th September 2025 05:44 18:05
Tuesday, 30th September 2025 05:52 17:46

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