Overview

• The Korea Meteorological Administration estimates a 60% chance September temperatures will run above average, with a roughly 40% chance the warmth extends into October.
• As of Monday, 182 of 183 regions were under heat alerts, including 133 warnings and 49 advisories, with the nationwide average apparent temperature reaching 37°C at 2 p.m.
• Daytime highs are running in the low to mid-30s Celsius, with forecasts such as Seoul 32°C, Incheon 30°C, and Daegu 36°C.
• Heavy rain is forecast through Tuesday in central areas including the Greater Seoul region, with 30–80 mm expected and up to about 100 mm in parts of Incheon and northern Gyeonggi.
• Officials say showers may briefly ease some advisories, yet rising humidity will keep conditions feeling hot and is unlikely to end the alerts.