Wonsan Weather in September

September in Wonsan brings high temperatures, with highs of 24°C (75°F) and nights dropping to 16°C (61°F). Rainfall is on the higher side this month, averaging around 152 mm (6 in), so keep a rain jacket handy.

Rainfall in Wonsan in September

Expect around 9 days of rain based on historical data, with 152 mm (6 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Wonsan in September

September in Wonsan brings high temperatures, with highs of 24°C (75°F) and nights around 16°C (61°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Wonsan in September

The days are predominantly sunny, with an estimated total of around 198 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Average water temperature in September

With water at 22°C (72°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.

If your ideal day consists of dry skies and pleasant temperatures, May, June, September and October typically offer the best circumstances for Wonsan.