Gdańsk Weather in September

September in Gdańsk brings pleasant temperatures around 19°C (66°F) during the day, dropping to 11°C (52°F) at night, with quite a bit of rainfall expected, averaging around 64 mm (2.5 in) for the month.

Rainfall in Gdańsk in September

Typically, about 15 days will experience rainfall, with an average of 64 mm (2.5 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Gdańsk in September

In September, Gdańsk gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Gdańsk in September

You can expect a moderate amount of sunlight, with approximately 173 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Gdańsk in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in September

The water is 13°C (55°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.

If you prefer dry days with pleasant temperatures, June, July and August 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.