Suncheon Weather in September
In Suncheon, September brings high daytime temperatures around 27°C (81°F), with nights cooling to 18°C (64°F). Expect quite a bit of rainfall this month.
Rainfall in Suncheon in September
Looking at the last 30 years, the data shows about 9 days with rain, averaging 167 mm (6.6 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Suncheon in September
September in Suncheon brings high temperatures, with highs of 27°C (81°F) and nights around 18°C (64°F). September is in the summer season. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Suncheon in September
The area enjoys a moderate level of sunlight, with around 172 hours. It's a good balance between sunny and cloudy days.For Suncheon itself, October generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Suncheon's climate page.
Suncheon Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Chance of Rain
31%
Precipitation
167 mm (6.6 in)
Rainy days
9 days
Humidity
74% *
Sunshine
172 hours *
Percentage Sunshine
47% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Suncheon typically drop from around 28°C (82°F) at the start of September to approximately 25°C (77°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 21°C (70°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 Suncheon in September
Browse day-by-day weather records for Suncheon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Suncheon historical weather extremes in September
Our historical data for Suncheon spans 1976 to 2025, revealing these weather extremes.
- Suncheon recorded its highest September temperature of 34°C (93°F) on September 1, 1994.
- The lowest daytime temperature in September was 17°C (63°F), recorded on September 19, 1986.
- The coldest night in September in Suncheon was on September 30, 2017, with a minimum of 8°C (46°F).
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
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What to Wear in Suncheon in September
Warm but pleasant conditions in Suncheon in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Suncheon 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 Suncheon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Suncheon climate overview or explore weather in South Korea.
