Weather in Heidelberg in September
Heidelberg, Germany averages a high of 20.4°C (68.7°F) and low of 11.8°C (53.2°F) in September, with 10 rain days and 8.9 hours of daily sunshine. Travel score: 76.1/100 (Good). The best time to visit Heidelberg is August.
High
20°C69°F
Low
12°C53°F
🌧️
10
rain days
☀️
8.9
hrs/day sunshine
💧
74%
humidity
76— Good
September in Heidelberg is mild and occasionally wet — good for most activities.
What are the average temperatures in Heidelberg?
How much does it rain in Heidelberg in September?
Heidelberg receives an average of 65.7mm of rainfall across 10 rainy days in September. The annual total is 868.5mm.
What should I pack for Heidelberg in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
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Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting Germany in September?
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Data based on 1994–2024 averages · Last updated: 2024-12-31