Late summer heat is currently going strong.
With clear skies, it feels as hot as summer during the day.
After the sun sets, temperatures drop due to radiative cooling, turning things cool.
Tomorrow morning, September 21, will start at levels similar to average years, and daytime heat will reach around 30°C (86°F).
With wide daily temperature ranges of more than 10°C (18°F), a yellow light has turned on for seasonal health management.
You will need to take good care of your health by wearing appropriate clothing for the time of day.
The air in the Seoul metropolitan area and Chungcheong regions will gradually become dry.
Those planning mountain hiking to welcome autumn must thoroughly watch out for potential fire hazards.
Between tonight and tomorrow morning, dense fog is expected in parts of North Chungcheong Province and the inland areas of North Gyeongsang Province, while daytime ultraviolet index levels will rise to very high in some places.
Looking at morning temperatures, Seoul will start with a low of 18°C (64°F) and Daegu at 15°C (59°F), while daytime temperatures will rise to 30°C (86°F) in Jeonju and 29°C (84°F) in Daegu.
The lingering late summer heat will continue until the middle of the week, and temperatures will return to seasonal averages starting Friday, the day of Chuseok.
(Weathercaster Ahn Su-jin)
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