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Köln Weather in September
Köln in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 75 mm (3 in), so pack a rain jacket to stay dry.
Rainfall in Köln in September
On average, there are about 15 days with rain during this month, averaging 75 mm (3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Köln in September
If you're visiting Köln in September, expect excellent temperatures with highs of 21°C (70°F) and overnight lows of 11°C (52°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Köln in September
The area enjoys a balanced 151 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 good time to visit Köln.
Köln Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
50%
Precipitation
75 mm (3 in)
Rainy days
15 days
Sunshine
151 hours *
Percentage Sunshine
*
Köln Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Köln - 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 Köln 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 Köln in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Köln 3-Day Forecast
More climate data for Köln
See the full Köln 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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