Frankfurt/Main weather in September (Hessen, Germany)

How is the weather in Frankfurt/Main in September? Check out this comprehensive weather guide.

In Frankfurt/Main the weather in September is generally perfect, characterized by pleasant temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 70°F (show in °C). But by evening, they drop to around 52°F.

Frankfurt/Main in September usually receives moderate rainfall, averaging around 2.4 inches (show in mm) for the month. Typically around 12 days of rainfall is expected.

The area enjoys a balanced 158 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Frankfurt/Main. May, June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, November and December tend to be characterized by conditions that may not be as optimal.

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


Frankfurt/Main, monthly averages in September

Show in Celsius
Min Temperature 51.6°F  
Max Temperature 70.2°F  
Chance of Rain 41%  
Precipitation 2.4 inches  
Rainy days 12 days  
Humidity 78% *  
Sunshine 158 hours *  
Percentage Sunshine 40% *  
* Data from: Frankfurt, Germany (9 KM, 6 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.

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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 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So, what should you wear in Frankfurt/Main in September?

For visitors traveling to Frankfurt/Main, 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.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Frankfurt/Main.

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.