Bucheon Weather in September
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.
Rainfall in Bucheon in September
You can expect rain on around 9 days based on historical patterns, with 127 mm (5 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Bucheon in September
September in Bucheon sees highs of 27°C (81°F) and lows of 18°C (64°F) overnight. September is a notable month of the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Bucheon in September
Expect sunny days throughout the month, with an estimated 202 hours of sunshine. This makes it a pleasant time to visit Bucheon.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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Bucheon's climate page.
Bucheon Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Chance of Rain
28%
Precipitation
127 mm (5 in)
Rainy days
9 days
Humidity
71% *
Sunshine
202 hours *
Percentage Sunshine
*
Daily Historical Temperatures
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).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Bucheon in September
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.
Bucheon historical weather extremes in September
Based on 49 years of weather observations in Bucheon between 1976 and 2025, these are the recorded extremes.
- On September 11, 2024, temperatures climbed to 35°C (95°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 16°C (61°F), recorded on September 26, 1987.
- The lowest overnight temperature recorded in September was 4°C (39°F) (September 27, 1987).
Best Places in South Korea in September
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
pleasant
tolerable
unpleasant
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What to Wear in Bucheon in September
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.What To Do in Bucheon in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Bucheon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bucheon climate overview or explore weather in South Korea.
