September weather forecast and climate
Donghae, South Korea

What is the temperature in September in Donghae?

The average high-temperature, in September, in Donghae, is 23.7°C (74.7°F), while the average low-temperature is 15.9°C (60.6°F).

How much does it rain in Donghae in September?

In Donghae, during September, the rain falls for 11.8 days and regularly aggregates up to 241.1mm (9.5") of precipitation.

What is the rainiest month in Donghae?

The month with the most rainfall is September when the rain falls for 11.8 days and typically aggregates up to 241.1mm (9.5") of precipitation.
Average temperature in September - Donghae, South Korea
  • Average high temperature in September: 23.7°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (5.2°C).

  • Average low temperature in September: 15.9°C

The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average humidity in September - Donghae, South Korea
  • Average humidity in September: 79%

The month with the highest relative humidity is August (82.6%).
The month with the lowest relative humidity is December (46.8%).

Average rainfall in September - Donghae, South Korea
  • Average rainfall in September: 241.1mm

The wettest month (with the highest rainfall) is September (241.1mm).
The driest month (with the lowest rainfall) is December (21.3mm).

Average rainfall days in September - Donghae, South Korea
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is August (15 days).
The month with the lowest number of rainy days is December (3.9 days).

Average sea temperature in September - Donghae, South Korea
  • Average sea temperature in September: 22°C

The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is March (9.5°C).

Average daylight in September / Average sunshine in September - Donghae, South Korea
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 5.4h

The month with most sunshine is April (Average sunshine: 7h).
The month with least sunshine is July (Average sunshine: 4.7h).

Average UV index in September - Donghae, South Korea
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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