Weather in Gdańsk in September
Gdańsk, Poland averages a high of 18.1°C (64.6°F) and low of 11.6°C (52.9°F) in September, with 9 rain days and 8.8 hours of daily sunshine. Travel score: 72.2/100 (Good). The best time to visit Gdańsk is August.
High
18°C65°F
Low
12°C53°F
🌧️
9
rain days
☀️
8.8
hrs/day sunshine
💧
77%
humidity
72— Good
September in Gdańsk is mild and occasionally wet — good for most activities.
What are the average temperatures in Gdańsk?
How much does it rain in Gdańsk in September?
Gdańsk receives an average of 46.3mm of rainfall across 9 rainy days in September. The annual total is 595mm.
What should I pack for Gdańsk in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Poland in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31