Harlesiel Weather in September

September in Harlesiel brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 13°C (55°F). Rainfall is on the higher side this month, averaging around 101 mm (4 in), so keep a rain jacket handy.

Rainfall in Harlesiel in September

Typically, about 17 days will experience rainfall, with an average of 101 mm (4 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Harlesiel in September

In September, Harlesiel gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 13°C (55°F). The month of September belongs to the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 13°C (55°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 Harlesiel in September

The area experiences a moderate amount of sunshine, with approximately 141 hours of sunlight expected. This means a decent mix of sun and overcast.

If you prefer dry days with pleasant temperatures, July typically offers 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.