Frankfurt Weather in September

September is one of the perfect months to visit Frankfurt, with daytime temperatures of 21°C (70°F) and lows of 11°C (52°F) at night. Do note that quite a bit of rainfall is typical, averaging around 62 mm (2.4 in).

Rainfall in Frankfurt in September

Typically, about 12 days will experience rainfall, with an average of 62 mm (2.4 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Frankfurt in September

Weather in Frankfurt is at its perfect in September. Highs reach 21°C (70°F), while nights settle around 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Frankfurt in September

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

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• August

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• October
• November
• December

For a detailed overview over the year and the best time to visit Germany, check out our Frankfurt's climate page.

Frankfurt Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 40%  

Precipitation 62 mm (2.4 in)  

Rainy days 12 days  

Humidity 78%  

Sunshine 158 hours  

Percentage Sunshine 40%  

What to Wear in Frankfurt in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Frankfurt in September

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Germany, check out our Frankfurt's climate page.

More climate data for Frankfurt

Temperature Rainfall Sunshine Humidity

See the full Frankfurt climate overview or explore weather in Germany.