Weather in Gdynia in September
Gdynia, Poland averages a high of 17.6°C (63.7°F) and low of 12°C (53.6°F) in September, with 10 rain days and 8.9 hours of daily sunshine. Travel score: 69.6/100 (Good). The best time to visit Gdynia is August.
High
18°C64°F
Low
12°C54°F
🌧️
10
rain days
☀️
8.9
hrs/day sunshine
💧
78%
humidity
70— Good
September in Gdynia is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Gdynia?
How much does it rain in Gdynia in September?
Gdynia receives an average of 57.4mm of rainfall across 10 rainy days in September. The annual total is 685mm.
What should I pack for Gdynia 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 (10 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