Cheongju
South Korea
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cheongju, South Korea

The first month of the autumn, September, is still a warm month in Cheongju, South Korea, with average temperature fluctuating between 26.3°C (79.3°F) and 16.2°C (61.2°F).

Temperature

In Cheongju, South Korea, the average high-temperature marginally drops, from a tropical 30.5°C (86.9°F) in August, to a moderately hot 26.3°C (79.3°F). In Cheongju, South Korea, in September, the average low-temperature is 16.2°C (61.2°F).

Humidity

The average relative humidity in Cheongju, South Korea, is 74.2%.

Rainfall

In Cheongju, during 9.1 rainfall days, 147.1mm (5.8") of precipitation is typically accumulated. Throughout the year, there are 113.1 rainfall days, and 1239.1mm (48.8") of precipitation is accumulated.

Daylight

In Cheongju, the average length of the day in September is 12.4h.

Sunshine

In September, the average sunshine in Cheongju is 5.9h.

UV index

The average daily maximum UV index in Cheongju is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Cheongju?

In September, in Cheongju, South Korea, the average high-temperature is 26.3°C (79.3°F), and the average low-temperature is 16.2°C (61.2°F).

What is the average humidity in September in Cheongju?

The average relative humidity in September is 74.2%.

How many days does it rain in September in Cheongju?

In September, in Cheongju, South Korea, the rain falls for 9.1 days. Throughout September, 147.1mm (5.8") of precipitation is accumulated.

What is the average length of the day in September in Cheongju?

In September, the average length of the day in Cheongju, South Korea, is 12.4h.

How long on average sun shines in September in Cheongju?

In September, the average sunshine in Cheongju, South Korea, is 5.9h.

What is the UV index reading in September in Cheongju?

In Cheongju, South Korea, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Cheongju, South Korea
  • Average high temperature in September: 26.3°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in September: 16.2°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).

Average humidity in September - Cheongju, South Korea
  • Average humidity in September: 74.2%

The month with the highest relative humidity is July (76.4%).
The month with the lowest relative humidity is April (56.6%).

Average rainfall in September - Cheongju, South Korea
  • Average rainfall in September: 147.1mm

The wettest month (with the highest rainfall) is August (285.1mm).
The driest month (with the lowest rainfall) is December (25.3mm).

Average rainfall days in September - Cheongju, South Korea
  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is July (15.9 days).
The month with the lowest number of rainy days is October (6.5 days).

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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 5.9h

The month with most sunshine is May (Average sunshine: 7.6h).
The month with least sunshine is July (Average sunshine: 4.9h).

Average UV index in September - Cheongju, 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).