Weather in Słupsk in September

Słupsk, Poland averages a high of 17.6°C (63.7°F) and low of 11.8°C (53.2°F) in September, with 12 rain days and 8.7 hours of daily sunshine. Travel score: 67.2/100 (Good). The best time to visit Słupsk is July.

High
18°C64°F
Low
12°C53°F
🌧️
12
rain days
☀️
8.7
hrs/day sunshine
💧
78%
humidity
67Good

September in Słupsk is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.

What are the average temperatures in Słupsk?

JanFebMarAprMayJunJulAugSep18°12°OctNovDec

How much does it rain in Słupsk in September?

Słupsk receives an average of 73.9mm of rainfall across 12 rainy days in September. The annual total is 772mm.

JanFebMarAprMayJunJulAugSep12dOctNovDec

What should I pack for Słupsk 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 (12 days)
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods

🎉Visiting Poland in September?

Don't miss any public holidays — check before you book!

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Data based on 1994–2024 averages · Last updated: 2024-12-31