September Weather in Sejong

Last updated: March 2, 2024

The weather in Sejong, South Korea, during September is characterized by an average temperature of 21°C (71°F). Highs can soar to 30°C (86°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Sejong throughout September hovers around 77%.

11°C (52°F)

Minimum temperature

21°C (71°F)

Average temperature

30°C (86°F)

Maximum temperature

77%

Humidity

Precipitation and Sunshine hours

In September, Sejong averages 158 mm (6.2 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 8 hours 21 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

158 mm (6.2 inches)

Precipitation

9 rainy days

Rainy days

8 hours 21 minutes

Sunshine hours

37%

Chance of sun

UV Index

In September, the UV Index in Sejong reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	4	6	8	10	9	8	5	3	1	1	0
Exposure	Low		Moderate	High	VeryHigh				Moderate		Low
Time to burn	45 min		30 min	25 min	15 min				30 min		45 min