September in Sinan averages a daily high of 26.5°C with nights around 19°C. Expect roughly 8.7 wet days totalling 206.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sinan is September–October.
Based on MOKPO, KS (25.1km), 1995–2024. 21 years of September data.