Alishan weather in September 2025

Expect 23°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Alishan in September. Check more long-term weather averages for Alishan in September before you book your next holiday to Taiwan in 2025/2026.

  • 23°C maximum daytime temperature in September in Alishan23
    23°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in September in Alishan18
    18 days with some rainfall
  • 16°C minimum night-time temperature in September in Alishan16
    16°C min night temperature
  • 12 hours of daylight per day in September in Alishan12
    12 hours of daylight per day
  • No heat & humidity in September in Alishan0
    No heat & humidity
  • 233 mm monthly rainfall in September in Alishan233
    233 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Alishan11
    11 (Extreme) UV index

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The September weather guide for Taiwan (Alishan) 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 Alishan in September?

Daytime temperatures usually reach 23°C in Alishan in September, falling to 16°C at night.

How sunny is it in Alishan in September?

There are normally 6 hours of bright sunshine each day in Alishan in September - that's 46% of daylight hours.

Does it rain in Alishan in September?

There are usually 18 days with some rain in Alishan in September and the average monthly rainfall is 233mm.

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

On average 3 days in September in Alishan are likely to be affected by the passage of one or more tropical storms.

Alishan September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:39 18:15
Monday, 15th September 2025 05:43 18:01
Tuesday, 30th September 2025 05:48 17:45

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