Taipei weather in September 2025

Expect daytime maximum temperatures of 30°C in Taipei, Taiwan in September and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 184 mm of rainfall in the month.

  • 30°C maximum daytime temperature in September in Taipei30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in September in Taipei16
    16 days with some rainfall
  • 22°C minimum night-time temperature in September in Taipei22
    22°C min night temperature
  • 12 hours of daylight per day in September in Taipei12
    12 hours of daylight per day
  • High heat & humidity in September in TaipeiH
    High heat & humidity
  • 184 mm monthly rainfall in September in Taipei184
    184 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Taipei10
    10 (Very High) UV index

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The September weather guide for Taiwan (Taipei) 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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More about Taiwan

How hot is it in Taipei in September?

Daytime temperatures usually reach 30°C in Taipei in September with high heat and humidity, falling to 22°C at night.

How sunny is it in Taipei in September?

There are normally 6 hours of bright sunshine each day in Taipei in September - that's 50% of daylight hours.

Does it rain in Taipei in September?

There are usually 16 days with some rain in Taipei in September and the average monthly rainfall is 184mm.

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

On average 2.5 days in September in Taipei are likely to be affected by the passage of one or more tropical storms.

Taipei September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:35 18:13
Monday, 15th September 2025 05:40 17:58
Tuesday, 30th September 2025 05:46 17:42

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