Busan weather in September 2026

Expect daytime maximum temperatures of 26°C in Busan, South Korea in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 182 mm of rainfall in the month.

  • 26°C maximum daytime temperature in September in Busan26
    26°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Busan11
    11 days with some rainfall
  • 19°C minimum night-time temperature in September in Busan19
    19°C min night temperature
  • 12 hours of daylight per day in September in Busan12
    12 hours of daylight per day
  • Low heat & humidity in September in BusanL
    Low heat & humidity
  • 182 mm monthly rainfall in September in Busan182
    182 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Busan8
    8 (Very High) UV index
  • 24°C sea temperature in September in Busan24
    24°C sea temperature

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

Daytime temperatures usually reach 25°C in Busan in September with low heat and humidity, falling to 16°C at night.

How sunny is it in Busan in September?

There are normally 7 hours of bright sunshine each day in Busan in September - that's 54% of daylight hours.

Does it rain in Busan in September?

There are usually 9 days with some rain in Busan in September and the average monthly rainfall is 161mm.

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

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

Busan September sunrise & sunset times

Browse the sunrise and sunset times for Busan in September 2026. Select a month to view Busan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:56 18:51
Tuesday, 15th September 2026 06:06 18:31
Wednesday, 30th September 2026 06:17 18:10

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