Wednesday, September 23, 2026

Chuseok Full Moon Likely to Be Obscured by Clouds... Rain in Central Regions on the Night of the 25th, Spreading South on the 26th [FN Weather]

Input
2026-09-22 14:57:38
Updated
2026-09-22 14:57:38
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[Financial News]  On the first day of the Chuseok holiday, September 24, skies will be mostly cloudy nationwide. On Chuseok, September 25, conditions will gradually become overcast, with rain expected in central regions from late at night. On September 26, a band of rain clouds will move south, bringing rain to the southern regions and Jeju. Thick clouds are expected nationwide on Chuseok night, making it difficult to see the full moon.
According to the Korean Meteorological Administration on September 22, skies will remain mostly clear nationwide through September 23, the day before the holiday. The East Sea coast and mountainous areas of Gangwon, the East Sea coast of Gyeongsang, and Jeju may occasionally see more clouds. From September 24, when travel to hometowns begins in earnest, clouds will increase nationwide.
On Chuseok, September 25, skies will initially be cloudy before gradually becoming overcast. Rain is expected from early morning through the morning in the northern part of Gangwon’s East Sea coast and mountainous areas. This is due to easterly winds moving in along the edge of a high-pressure system moving away to the northeast of the Korean Peninsula.
Rain is not expected in most parts of the country during the daytime, when travel for ancestral rites and visits to graves is at its peak. However, skies will be cloudy and gradually become overcast. From late at night, a trough approaching from the west will bring rain to central regions.
The Chuseok full moon is also expected to be difficult to see. Clouds are forecast to form at multiple levels, from the lower to the upper atmosphere, so the moon is likely to be obscured even in areas that do not receive rain.
As return trips continue on September 26, the band of rain clouds will move southward. Rain in central regions will continue through the early morning of September 26, while rain will begin in the southern regions and Jeju from the morning. Jeju is expected to see rain through the morning of September 27. No precipitation estimates have been issued yet.
Temperatures will remain slightly above average until the early part of the holiday before gradually falling as rain arrives. The morning low on September 24 will range from 13 to 19 degrees Celsius, with daytime highs of 25 to 29 degrees. On Chuseok, September 25, morning lows are expected to range from 13 to 20 degrees, with highs of 23 to 28 degrees. On September 26 and 27, morning lows will range from 15 to 20 degrees, with daytime highs of 25 to 28 degrees. After the holiday, temperatures are expected to fall to slightly below-average levels.
Meanwhile, according to the Korea Astronomy and Space Science Institute (KASI), this year’s Chuseok full moon will rise at 5:34 p.m. on September 25 in Seoul and reach its highest point in the sky at 11:31 p.m. The moon will be completely full at 1:49 a.m. on September 27, two days after Chuseok, when it is positioned directly opposite the sun. As a result, it will appear on Chuseok night as a moon with its left side slightly less full.


[email protected] Lee Bo-mi Reporter