Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
September in Bucheon brings high temperatures, with highs of 27°C (81°F) and nights dropping to 18°C (64°F). Rainfall is on the higher side this month, averaging around 127 mm (5 in), so keep a rain jacket handy.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and October typically offer the best weather for Bucheon.
Pick a month to see the average temperature, rainfall and sunshine in Bucheon - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Bucheon typically drop from around 28°C (82°F) at the start of September to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 20°C (68°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Bucheon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations in Bucheon between 1976 and 2026, these are the recorded extremes.
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Bucheon climate overview or explore weather in South Korea.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
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