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Frankfurt am Main Weather in September
Frankfurt am Main in September averages 21°C (70°F) during the day and 11°C (52°F) at night. Some rainfall is typical for this time of year.
Rainfall in Frankfurt am Main in September
Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 59 mm (2.3 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Frankfurt am Main in September
September is one of the better months to visit Frankfurt am Main. Expect 21°C (70°F) during the day and 11°C (52°F) at night. Conditions are often most pleasant around the middle of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Frankfurt am Main in September
You can expect a moderate amount of sunlight, with approximately 158 hours. This means a pleasant mix of sun and overcast.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Frankfurt am Main.
Frankfurt am Main Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
40%
Precipitation
59 mm (2.3 in)
Rainy days
12 days
Humidity
78% *
Sunshine
158 hours *
Percentage Sunshine
40% *
* Data from: Frankfurt, Germany (11 KM, 6 Miles).
Frankfurt am Main Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Frankfurt am Main - and find the best time to visit.
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Frankfurt am Main 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. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Frankfurt am Main in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Frankfurt am Main 3-Day Forecast
More climate data for Frankfurt am Main
Temperature Rainfall Sunshine Humidity
See the full Frankfurt am Main climate overview or explore weather in Germany.
Popular in September
Where to go in September - average daytime high across popular destinations.
Berlin
21°C (70°F) Hanover20°C (68°F) Cologne21°C (70°F) Düsseldorf21°C (70°F) Munich
20°C (68°F) Hamburg20°C (68°F) Binz
18°C (64°F) Winterberg18°C (64°F) Bucket list
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