South Korea
Incheon in September
🍂 AutumnPleasant, a little humid and often rainy. Watch for tropical cyclone risk.
🎒 Pack: compact umbrella or rain jacket
Why September scores 8.4What goes into the score
How it works- Weather comfort8.7
- ✓Comfortable temperatures (26°C highs / 18°C lows)
- ✓Slightly humid (dew point 17°C)
- !Wet: ~130 mm rain, ~3 heavy-rain days
- Air quality7.3
- ✓Moderate (PM2.5 ~23 µg/m³)
- Seasonal hazards8.5
- !Tropical cyclone: Peak of the Western Pacific typhoon season
- Safety baseline9.0
- ·Normal precautions
| Sep | Oct | |
|---|---|---|
| Score | 8.4 Very good | 8.9 Excellent |
| Season | 🍂 Autumn | 🍂 Autumn |
| High / low | 26° / 18° | 20° / 11° |
| Rain | 130 mm | 51 mm |
| Humidity | dew pt 17° | dew pt 10° |
| PM2.5 | 23 µg/m³ | 19 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Incheon weather-station normals. Rainfall: Incheon weather-station normals (national met service).
Holidays & crowdsSeptember 2027
Long weekendThere's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.
- Chuseok 14–16 Sep · 3 days off in a row
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Nature calendarBlossoms, leaves & seasons in Incheon
- Cherry blossomTypical datesFirst blooms ~12 Apr, full bloom about a week later
Typical first-bloom date at the Incheon weather-station tree (KMA 1991–2020 normal). In 2025 the first blooms came on 11 Apr; recent years have mostly been earlier than the normal. Weather i and KMA publish the next year's outlook in late February.
Source: Weather i 2026 cherry blossom outlook (KMA normals and 2025 dates)
- Snowy daysTypical datesSnow likely Nov–Mar (most in Jan: ~7 days)
Average number of days with snowfall at Incheon.
Source: Incheon weather-station normals (national weather service, via Wikipedia climate table)
Explore IncheonEvents, sights, food & souvenirs
Check event dates locallyA port city west of Seoul, home to South Korea's main international airport, a historic Chinatown, the modern Songdo district and nearby islands.
ChuseokDate variesLunar calendar - usually September or early October
The harvest festival, when families gather and visit ancestral graves.
Why go: Expect heavy traffic and airport crowds; some shops close.
Where: Nationwide
Coming up later
Seollal (Lunar New Year)Date variesLunar calendar - late January to mid-February, date moves each year
A major family holiday when many Koreans travel home.
Why go: Incheon Airport is extremely busy over the holiday.
Where: Nationwide
Incheon Pentaport Rock FestivalDate variesUsually early August
One of Korea's largest rock and alternative music festivals.
Why go: Hot and humid; bring rain gear and sun protection.
Where: Songdo Moonlight Festival Park
Incheon Chinatown
Korea's oldest Chinatown, with red gates, food streets and the Jajangmyeon Museum.
Songdo Central Park
A modern park with a seawater canal, water taxis and skyscraper views.
Wolmido
A waterfront area with an amusement park, promenade and sea views.
Jayu Park
Korea's first Western-style park, on a hill above Chinatown.
Ganghwa Island
An island with prehistoric dolmens (UNESCO-listed), fortresses and temples such as Jeondeungsa.
Sinpo International Market
A long-standing market known for sweet and spicy fried chicken.
Jajangmyeon
Noodles in black bean sauce, said to have been created in Incheon's Chinatown.
💡 Chinatown
Jjolmyeon
Chewy cold noodles in a spicy sauce, which originated in Incheon.
Dakgangjeong
Crispy fried chicken glazed in a sweet and spicy sauce.
💡 Sinpo International Market
Kkotge (blue crab)
Local blue crab, served steamed or in spicy stews.
💡 Soraepogu fish market
Ganghwa hwamunseok
Hand-woven mats and items made from patterned rush, a Ganghwa Island craft.
Ganghwa ginseng
Ginseng and ginseng products from Ganghwa Island.
Airport transfer Kiwitaxi
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