Weather in Heilbronn in September
Heilbronn, Germany averages a high of 20.1°C (68.2°F) and low of 11.6°C (52.9°F) in September, with 10 rain days and 8.9 hours of daily sunshine. Travel score: 75.2/100 (Good). The best time to visit Heilbronn is August.
High
20°C68°F
Low
12°C53°F
🌧️
10
rain days
☀️
8.9
hrs/day sunshine
💧
75%
humidity
75— Good
September in Heilbronn is mild and occasionally wet — good for most activities.
What are the average temperatures in Heilbronn?
How much does it rain in Heilbronn in September?
Heilbronn receives an average of 61.1mm of rainfall across 10 rainy days in September. The annual total is 838mm.
What should I pack for Heilbronn in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
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
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