Weather in Köln in September
Köln, Germany averages a high of 19.5°C (67.1°F) and low of 11.7°C (53.1°F) in September, with 10 rain days and 8.4 hours of daily sunshine. Travel score: 71.9/100 (Good). The best time to visit Köln is August.
High
20°C67°F
Low
12°C53°F
🌧️
10
rain days
☀️
8.4
hrs/day sunshine
💧
77%
humidity
72— Good
September in Köln is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Köln?
How much does it rain in Köln in September?
Köln receives an average of 70.4mm of rainfall across 10 rainy days in September. The annual total is 902.1mm.
What should I pack for Köln in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°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
🎉Visiting Germany 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