Jastarnia Weather in September

September in Jastarnia averages 18°C (64°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 80 mm (3.1 in) on average. An umbrella is a good idea.

Rainfall in Jastarnia in September

Historically, September sees about 15 days of rain, with a monthly average of 80 mm (3.1 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Jastarnia in September

In September, Jastarnia gets pleasant temperatures, with highs of 18°C (64°F). Nights cool to around 13°C (55°F). September is part of summer. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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.

If you prefer dry days with pleasant temperatures, 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.