Cheongju weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cheongju in September. Check more long-term weather averages for Cheongju in September before you book your next holiday to South Korea in 2025/2026.

  • 26°C maximum daytime temperature in September in Cheongju26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Cheongju9
    9 days with some rainfall
  • 15°C minimum night-time temperature in September in Cheongju15
    15°C min night temperature
  • 12 hours of daylight per day in September in Cheongju12
    12 hours of daylight per day
  • Low heat & humidity in September in CheongjuL
    Low heat & humidity
  • 134 mm monthly rainfall in September in Cheongju134
    134 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Cheongju7
    7 (High) UV index

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The September weather guide for South Korea (Cheongju) 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 Cheongju in September?

Daytime temperatures usually reach 26°C in Cheongju in September with low heat and humidity, falling to 15°C at night.

How sunny is it in Cheongju in September?

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

Does it rain in Cheongju in September?

There are usually 9 days with some rain in Cheongju in September and the average monthly rainfall is 134mm.

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

On average less than 1 day in September in Cheongju is likely to be affected by the passage of one or more tropical storms.

Cheongju September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:01 18:59
Monday, 15th September 2025 06:12 18:38
Tuesday, 30th September 2025 06:24 18:15

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