Sun Moon Lake weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sun Moon Lake in September. Check more long-term weather averages for Sun Moon Lake in September before you book your next holiday to Taiwan in 2025/2026.

  • 27°C maximum daytime temperature in September in Sun Moon Lake27
    27°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in September in Sun Moon Lake17
    17 days with some rainfall
  • 20°C minimum night-time temperature in September in Sun Moon Lake20
    20°C min night temperature
  • 12 hours of daylight per day in September in Sun Moon Lake12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Sun Moon LakeM
    Moderate heat & humidity
  • 201 mm monthly rainfall in September in Sun Moon Lake201
    201 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Sun Moon Lake11
    11 (Extreme) UV index

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The September weather guide for Taiwan (Sun Moon Lake) 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 Sun Moon Lake in September?

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

How sunny is it in Sun Moon Lake in September?

There are normally 6 hours of bright sunshine each day in Sun Moon Lake in September - that's 49% of daylight hours.

Does it rain in Sun Moon Lake in September?

There are usually 17 days with some rain in Sun Moon Lake in September and the average monthly rainfall is 201mm.

What is the chance of a typhoon in Sun Moon Lake in September?

On average 2.9 days in September in Sun Moon Lake are likely to be affected by the passage of one or more tropical storms.

Sun Moon Lake September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:38 18:14
Monday, 15th September 2025 05:43 18:00
Tuesday, 30th September 2025 05:48 17:45

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