Weather in Heidelberg in September
Heidelberg, South Africa averages a high of 25°C (77°F) and low of 9.6°C (49.3°F) in September, with 3 rain days and 11.2 hours of daily sunshine. Travel score: 90.9/100 (Excellent). The best time to visit Heidelberg is September.
High
25°C77°F
Low
10°C49°F
🌧️
3
rain days
☀️
11.2
hrs/day sunshine
💧
42%
humidity
91— Excellent
September in Heidelberg is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Heidelberg?
How much does it rain in Heidelberg in September?
Heidelberg receives an average of 19.2mm of rainfall across 3 rainy days in September. The annual total is 679.2mm.
What should I pack for Heidelberg in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 15°C from day to night
🎉Visiting South Africa 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