Sokcho weather in September
September in Sokcho: nice, soaked, with clean air — fine if you can take 12 rainy days.
#6 of 12 months in Sokcho · #652 of 897 destinations to visit in September · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sokcho in September
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Sokcho climate normals — September
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 215 mm / 8.5 in | ⛈ soaked |
| Rainy days | 12 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 7.8 h/day | |
| Daylight | 12.4 h | |
| Wind | 15 km/h / 10 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sokcho in September — FAQ
- Is September a good time to visit Sokcho?
- September in Sokcho: nice, soaked, with clean air — fine if you can take 12 rainy days. It ranks #6 of 12 months for Sokcho on SeasonMap's comfort score (71/100).
- What is the weather like in Sokcho in September?
- In September, Sokcho averages a daily high of 22.8°C and a low of 17.9°C, with about 214.8 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Sokcho in September?
- Sokcho has a mean US Air Quality Index of about 40 in September.