September weather forecast
Jeonju, South Korea

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Weather in September

A common favorite among residents, September marks the onset of autumn in Jeonju with temperature and rainfall decreasing from the summer highs. A wide array of vibrant autumn hues ranging from yellow to deep red makes an appearance as leaves begin to change color. The rainfall decreases to 138mm (5.43") making September a relatively dry month. The transition from hot and humid to milder conditions makes outdoor activities particularly inviting during this month. Considering its pleasant weather, September is often considered one of the best months to visit Jeonju.

Temperature

In Jeonju, the average high-temperature in September slightly decreases from a tropical 31°C (87.8°F) in August to a warm 27°C (80.6°F). Jeonju records an average nighttime low-temperature of 17.1°C (62.8°F) throughout September.

Heat index

The average heat index in September is appraised at 29°C (84.2°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in September in Jeonju is 74.1%.

Rainfall

In Jeonju, in September, during 9.7 rainfall days, 138mm (5.43") of precipitation is typically accumulated. Throughout the year, there are 122.2 rainfall days, and 1313mm (51.69") of precipitation is accumulated.

Daylight

In Jeonju, the average length of the day in September is 12h and 25min.
On the first day of September in Jeonju, sunrise is at 06:03 and sunset at 18:59. On the last day of the month, sunrise is at 06:25 and sunset at 18:16 KST.

Sunshine

In Jeonju, the average sunshine in September is 5.6h.

Frequently asked questions

What are the temperatures in Jeonju in September?

An average high-temperature, in September, in Jeonju, is 27°C (80.6°F) and the average low-temperature is 17.1°C (62.8°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 29°C (84.2°F).

What is the average humidity in September in Jeonju?

In September, the average relative humidity is 74.1%.

How much does it rain in Jeonju in September?

In Jeonju, in September, during 9.7 rainfall days, 138mm (5.43") of precipitation is typically accumulated.

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

In September, the average day length in Jeonju is 12h and 25min.

When is the sunrise / sunset in September in Jeonju?

On the first day of September in Jeonju, sunrise is at 06:03 and sunset at 18:59. On the last day of the month, sunrise is at 06:25 and sunset at 18:16 KST.

How long on average sun shines in September in Jeonju?

In Jeonju, South Korea, the average sunshine duration in September is 5.6h.

Average temperature in September
Jeonju, South Korea

Average temperature in September - Jeonju, South Korea
  • Average high temperature in September: 27°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (4.4°C).

  • Average low temperature in September: 17.1°C

The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).

Average humidity in September
Jeonju, South Korea

Average humidity in September - Jeonju, South Korea
  • Average humidity in September: 74.1%

The month with the highest relative humidity is July (77.5%).
The month with the lowest relative humidity is April (60.6%).

Average rainfall in September
Jeonju, South Korea

Average rainfall in September - Jeonju, South Korea
  • Average rainfall in September: 137.6mm

The wettest month (with the highest rainfall) is July (299.6mm).
The driest month (with the least rainfall) is December (31.1mm).

Average rainfall days in September
Jeonju, South Korea

Average rainfall days in September - Jeonju, South Korea
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is October (6.7 days).

Average daylight in September /
Average sunshine in September
Jeonju, South Korea

Average daylight in September / Average sunshine in September - Jeonju, South Korea
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 5h and 4min

The month with the most sunshine is April (Average sunshine: 7h and 6min).
The month with the least sunshine is July (Average sunshine: 4h and 24min).

Jeonju, South Korea

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