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Cologne in September
The weather in September
In September, Cologne averages daytime highs of 20° and night-time lows of 11° — mild weather by day. Expect around 69 mm of precipitation spread over about 11 wet days, with average cloud cover near 42%.
Days are 4.2° cooler than in August on average, and October is cooler again by about 5.1°.
September scores 69/100 — good conditions for sightseeing — and ranks 1st of the twelve months for Cologne.
Around the middle of the month the sun rises at 07:08 and sets at 19:49 local time, giving 12 h 41 min of daylight. Days shorten by 110 minutes over the month.
Why 69/100?
How the score for September is builtComfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Cologne this month
Germany's best in September
Mainz
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Cologne in September: quick answers
Is September a good time to visit Cologne?
September scores 69/100 for Cologne, which we rate as good. Average highs are 20°C with 11 wet days.
How warm is Cologne in September?
Daytime highs average 20°C and night-time lows 11°C in September.
Does it rain a lot in Cologne in September?
Cologne receives about 69 mm of precipitation in September, falling on around 11 days.