Xiamen weather in September 2025

Expect daytime maximum temperatures of 31°C in Xiamen, China in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 119 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Xiamen31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Xiamen8
    8 days with some rainfall
  • 24°C minimum night-time temperature in September in Xiamen24
    24°C min night temperature
  • 12 hours of daylight per day in September in Xiamen12
    12 hours of daylight per day
  • High heat & humidity in September in XiamenH
    High heat & humidity
  • 119 mm monthly rainfall in September in Xiamen119
    119 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Xiamen11
    11 (Extreme) UV index
  • 27°C sea temperature in September in Xiamen27
    27°C sea temperature

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

Daytime temperatures usually reach 31°C in Xiamen in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Xiamen in September?

There are normally 7 hours of bright sunshine each day in Xiamen in September - that's 55% of daylight hours.

How warm is the sea around Xiamen in September?

The average sea temperature around Xiamen in September is 27°C.

Does it rain in Xiamen in September?

There are usually 8 days with some rain in Xiamen in September and the average monthly rainfall is 119mm.

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

On average 2.3 days in September in Xiamen are likely to be affected by the passage of one or more tropical storms.

Xiamen September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:49 18:26
Monday, 15th September 2025 05:54 18:12
Tuesday, 30th September 2025 05:59 17:56

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