Taiwan weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Taiwan in September. Check more long-term weather averages for Taiwan in September before you book your next holiday to Taiwan in 2025/2026.

  • 30°C maximum daytime temperature in September in Taiwan (Taipei)30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in September in Taiwan (Taipei)16
    16 days with some rainfall
  • 22°C minimum night-time temperature in September in Taiwan (Taipei)22
    22°C min night temperature
  • 12 hours of daylight per day in September in Taiwan (Taipei)12
    12 hours of daylight per day
  • High heat & humidity in September in Taiwan (Taipei)H
    High heat & humidity
  • 184 mm monthly rainfall in September in Taiwan (Taipei)184
    184 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Taiwan (Taipei)10
    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.

Top Taiwan destinations

Below are average maximum temperatures at popular countries, regions and places in Taiwan in September. Select a holiday destination to see more weather parameters.

All Taiwan destinations

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

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How hot is it in Taiwan in September?

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

How sunny is it in Taiwan in September?

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

Does it rain in Taiwan in September?

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

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

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

Taiwan September sunrise & sunset times

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

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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