Heilbronn Weather in September

What's the weather like in Heilbronn (Baden-Württemberg Region) in September 2024?

The climate in Heilbronn during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Heilbronn and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 9°C (49°F) is normal.

Heilbronn weather averages (imperial / metric)
Daytime temperature 20.2°C 68.4°F
Nightly temperature 9.4°C 48.9°F
Average temperature 14.8°C 58.6°F
Daily sunshine 6.1 hrs
Avg rainfall 50 mm 2 ins
Rainy days 12 days
Sea temperature 19.6°C 67.3°F
Humidity 75%
Windspeed 6.8kph 4 mph

On average September is the 6th driest month of the year in Heilbronn with around 50mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.1 hours of sunshine per day.

September temperatures in Heilbronn

Heilbronn average temperature in September

September rainfall

Heilbronn average rain in September

September hourly sunshine

Heilbronn average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Heilbronn in September 2024.

Other monthly averages

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Heilbronn weather stats

Heilbronn weather statistics
Hottest month: July 23.7°C 74.7°F
Driest month: February 41mm 1.6ins
Sunniest month: August 7.5hrs
Coldest month: January 2.9°C 37.2°F
Wettest month: June 87mm 3.4ins
Map showing location of Heilbronn (49.13995, 9.22054) Heilbronn map pin © Google

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