Donghae weather in September 2026

Expect daytime maximum temperatures of 23°C in Donghae, South Korea in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 203 mm of rainfall in the month.

  • 23°C maximum daytime temperature in September in Donghae23
    23°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Donghae10
    10 days with some rainfall
  • 15°C minimum night-time temperature in September in Donghae15
    15°C min night temperature
  • 12 hours of daylight per day in September in Donghae12
    12 hours of daylight per day
  • No heat & humidity in September in Donghae0
    No heat & humidity
  • 203 mm monthly rainfall in September in Donghae203
    203 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Donghae7
    7 (High) UV index
  • 22°C sea temperature in September in Donghae22
    22°C sea temperature

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

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

How sunny is it in Donghae in September?

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

Does it rain in Donghae in September?

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

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

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

Donghae September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:53 18:53
Tuesday, 15th September 2026 06:05 18:32
Wednesday, 30th September 2026 06:18 18:09

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