Weather in Troisdorf in September
Troisdorf, Germany averages a high of 19.4°C (66.9°F) and low of 11.7°C (53.1°F) in September, with 11 rain days and 8.5 hours of daily sunshine. Travel score: 72.1/100 (Good). The best time to visit Troisdorf is August.
High
19°C67°F
Low
12°C53°F
🌧️
11
rain days
☀️
8.5
hrs/day sunshine
💧
77%
humidity
72— Good
September in Troisdorf is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Troisdorf?
How much does it rain in Troisdorf in September?
Troisdorf receives an average of 69.3mm of rainfall across 11 rainy days in September. The annual total is 874.7mm.
What should I pack for Troisdorf in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Germany 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