In Seoul in August, autumn clothing and the end of 왁뿌 happened at once

August in Seoul is hot. 2026 was no exception. And in that month, the word that rose most among the ones we follow was 가을 코디 (autumn outfit). More than eight times its July level.

The figures come from NAVER DataLab, which reports how often a word is typed into the portal that carries most Korean search. Days that fall below its reporting floor come back missing rather than as zero, so only words with a full set of days in both July and August are in this comparison.

The words that rose were almost all preparation for autumn

Autumn outfits, knitwear, cardigans — and padded jackets. While Korea was still running days above 30 degrees, searches for winter clothing had started.

This is less a matter of getting ahead of the season than of the sequence of a purchase. Clothes take time between buying and wearing. You wait for delivery, you work out what goes with what. Start looking once it is actually cold and you are late. So clothing searches move one to two months ahead of the temperature.

하객룩 doubling has the same cause. It means the outfit you wear as a guest at someone's wedding, and Korean weddings bunch into the autumn. People invited between September and November are settling what to wear during August.

In Korean shopping the word works as a category rather than a description. There is a recognised way to dress as a guest, and it is specific enough that shops and search both treat it as one thing. That is why it moves on the calendar of other people's weddings and not on the weather.

One caution on the table. These are relative figures normalised inside a single request, so the percentages describe each word against its own July, not against each other's size. +722% does not make 가을 코디 the largest word in the list.

홈카페 rose 47%, and not because it got cooler

The odd one out is 홈카페 (home cafe), which went from 4.8 in July to 7.0 in August, up 47%. It is about making drinks at home, so cooling weather is not the explanation.

It is also the only word in the table with no calendar behind it. Knitwear has the autumn, wedding outfits have the wedding season, and both would move in any year. Nothing in the year obliges a household to start making coffee in August.

The word read 6.2 in September 2024 and 4.6 in September 2025, coming down, and this summer it has come back. But “people stayed in because it was hot” does not account for it either. From July to August last year the figure was minus 0.3% — essentially no movement. It is only this year that the shape is different.

In the same month, 왁뿌 halved

왁뿌볼, which had climbed to 64.4 in June, is down to 34.4 by August. Two months from the peak. It is a sweet made of thick chocolate that you crack open to eat, and until the autumn before, the name for it did not exist.

왁뿌 is a slang contraction and 왁뿌볼 the ball-shaped version of the same thing. A word like that is a clean instrument: nobody types it by accident, and it carries no older meaning to sit underneath the trend. When it moves, the thing itself is moving.

아그작 is not a product at all. It is the sound of biting through something hard, the onomatopoeia people put in titles to promise a crunch. It falls alongside the snack, which suggests that what cooled was the format rather than one manufacturer's item.

And in September the word was top of the video titles

Worth also seeing what became of 가을 코디, the word that stood up in search in August. In mid-September, new videos were collected from nine entry words on YouTube and the words in their titles counted. The one that appeared most was this one: 19 videos in seven days.

The nine entry words are fixed in advance, so this is not a ranking of YouTube. It is what came back through nine doors we hold open, counted by the words in the titles. Read it as the shape of what creators were publishing that week.

Search moved in August, video arrived in September. In order, search came first. It runs the same way as clothing searches sitting one to two months ahead of the temperature: the people making the videos cannot wait for the cold either.

One more thing. 다이소 sits second with 14. That name does not appear anywhere in the list of words that rose in August. Across the 59 words this site follows, Daiso is the one that grew most over these two years. In search, the season does the moving. In video, the store does.

Coverage in Japanese describing “a dessert you smash before eating is a hit in Korea” began appearing around this same time. On the Korean side, the word was on its way down by then.

What kind of month August is

Laid side by side, August turns out to be a month where two movements happen at once. One is preparation for autumn and winter starting. The other is the ending of whatever stood up that summer.

Clothes move ahead of the season, and snacks finish ahead of the talk. Neither has much to do with whether it is hot right now. Each runs on its own clock.

For a reader outside Korea, the use of this is timing. Anything written about a Korean trend elsewhere has to be noticed first, then translated, then repackaged, and each step costs weeks. By the time the piece lands, the curve it describes has moved on — which is what happened with the smashed dessert.

Reading the Korean-side figures takes those weeks out. It does not make anyone right about what will last. It only means that what you are looking at is the same month the people in Seoul are living in.

Putting a date on the day autumn clothing starts moving

This comparison sets one monthly average against another. At what point inside August the switch happened is not something it shows. Follow the daily movement and the day the autumn searches begin can be pinned down.

If last year and the year before start around the same date, then it is the calendar doing the work and not the thermometer. Two years of data are in hand, so the next piece on autumn clothing will carry that date.

From the desk. If you intend to buy autumn or winter clothes in Korea, the period when local searches move and the period when the shelves fill are close to the same. From the end of August through September, the knit and cardigan racks are at their deepest.

Conversely, looking for a padded jacket at that time is early. Searches start moving in August, but the heavy coats are not fully out until October. What rises in August is the looking-into side; the shelves have not caught up.

And if you plan to decide before you arrive, video is ahead of the search box. 가을 코디 being the commonest title in September is because what is on the racks right now is what is in those videos. Watching a few from the last seven days cuts the time spent standing in front of the rack.