Heidelberg weather in September (Baden-Württemberg, Germany)

Curious about the climate in Heidelberg this September? Here's what you need to know about the weather for the month.

Temperatures

During September, Heidelberg experiences perfect weather, with pleasant temperatures and moderate rainfall. Expect the temperatures during the day to hover around 21°C. At night, they will likely drop to about 11°C.

Precipitation

Heidelberg in September usually receives moderate rainfall, averaging around 69 mm for the month. Expect around 12 days of rain based on historical data.

Average sunshine

The area enjoys a balanced 166 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Heidelberg. 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 Heidelberg climate page with graphs.

 

Heidelberg, monthly averages in September

Min Temperature 11°C  

Max Temperature 21°C  

Chance of Rain 40%  

Precipitation 69 mm  

Rainy days 12 days  

Sunshine 166 hours *  

Percentage Sunshine *  

* Data from: Mannheim, Germany (19 KM, 11 Miles).

Where to go in Germany in September

Find out more about the weather in Germany and which places have the best travel 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 this month?

For visitors traveling to Heidelberg, 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.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Heidelberg.

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 travel conditions. Find out where to go with our weather planner.