Greetsiel Weather in September

Thinking of visiting Greetsiel in September? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 12°C (54°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Greetsiel in September

You can expect rain on around 17 days based on historical patterns, with 89 mm (3.5 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Greetsiel in September

Expect highs of 19°C (66°F) in Greetsiel in September, with nights dropping to around 12°C (54°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 12°C (54°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 Greetsiel in September

The month experiences a moderate amount of sunlight, with 141 hours of sunshine. This provides a nice balance between sunshine and clouds.

Average water temperature in September

The water is 16°C (61°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

For Greetsiel itself, July and August generally stand out with 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.