Heilbronn weather in September (Baden-Württemberg, Germany)

Looking to travel to Heilbronn in September? Here's what the weather might have in store during this month.

In Heilbronn, September is characterized by pleasant temperatures and moderate rainfall. Daytime temperatures hover around 21°C, while nights can cool down to about 11°C.

Heilbronn in September usually receives moderate rainfall, averaging around 70 mm for the month. Based on our climate data of the past 30 years, about 12 days of rain are anticipated.

The area experiences a moderate amount of sunshine, with approximately 171 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Heilbronn. May, June, July, August and September typically offer the best circumstances. While January, February, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Heilbronn climate page with graphs.

 

Heilbronn, monthly averages in September

Min Temperature 11°C  

Max Temperature 21°C  

Chance of Rain 38%  

Precipitation 70 mm  

Rainy days 12 days  

Sunshine 171 hours *  

Percentage Sunshine 45% *  

* Data from: Stuttgart, Germany (40 KM, 25 Miles).

Where to go in Germany in September

Find out more about the weather in Germany in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Heilbronn in September?

For visitors traveling to Heilbronn, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Heilbronn.

Our site offers climate and forecast data for every country in the world. Are you going to Germany? On this website you can find historical weather averages for many cities in Germany. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.