Ganghwa Weather in September

September in Ganghwa averages 27°C (81°F) during the day and 18°C (64°F) at night. Quite a bit of rainfall is typical this month, with around 121 mm (4.8 in) on average. An umbrella is a good idea.

Rainfall in Ganghwa in September

Past climate data indicates that roughly 8 days will see rain, totalling around 121 mm (4.8 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Ganghwa in September

If you're visiting Ganghwa in September, expect highs of 27°C (81°F) and overnight lows around 18°C (64°F). September is part of summer. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Ganghwa in September

The month enjoys around 202 hours of sunshine, creating mostly sunny days with good weather conditions.

Should you favor a climate that's both dry and comfortably warm, May and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.