Dornumersiel Weather in September

During September, Dornumersiel experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 13°C (55°F). As part of the summer season, expect quite a bit of rainfall. Around 100 mm (3.9 in) is typical.

Rainfall in Dornumersiel in September

Expect around 17 days of rain based on historical data, with 100 mm (3.9 in) average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Dornumersiel in September

Temperatures in Dornumersiel in September top out at 19°C (66°F) and drop to 13°C (55°F) overnight. During September, you'll experience the summer season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Dornumersiel in September

You can expect a moderate amount of sunlight, with approximately 141 hours. This means a pleasant mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, July typically offers 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.