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Cologne Weather in September

September in Cologne sees daytime temperatures around 20°C (68°F) and lows of 11°C (52°F) at night. With around 81 mm (3.2 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Cologne in September

You can expect rain on around 15 days based on historical patterns, with 81 mm (3.2 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Cologne in September

The temperature in Cologne in September is perfect. Daytime highs reach 20°C (68°F), with nights dropping to 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Cologne in September

The area enjoys a moderate level of sunlight, with around 147 hours. It's a good balance between sunny and cloudy days.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Cologne.

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

Cologne Temperature in September

Min TemperatureMin Temperature 11°C (52°F)  
Max TemperatureMax Temperature 20°C (68°F)  
Chance of RainChance of Rain 51%  
PrecipitationPrecipitation 81 mm (3.2 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 78%  
SunshineSunshine 147 hours  
Percentage SunshinePercentage Sunshine  

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 →

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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 (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 Cologne in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Cologne in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
6/10
Cycling
9/10
Walking
9/10
Camping
8/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

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

More climate data for Cologne