Siheung Weather in September

In Siheung, September brings high daytime temperatures around 26°C (79°F), with nights cooling to 18°C (64°F). Expect quite a bit of rainfall this month.

Rainfall in Siheung in September

You can expect rain on roughly 8 days based on historical data, averaging 131 mm (5.2 in) 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 Siheung in September

Siheung in September gets highs of 26°C (79°F) during the day and drops to 18°C (64°F) at night. This month falls in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Siheung in September

The days are predominantly sunny, with an estimated total of around 202 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, May and October typically offer 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.