Weather in Cologne for September 2027
In general, the average temperature in Cologne at the beginning of September is 25.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.8 °C by the end of September.
The climate of Cologne in September is notably wet, with an average of 12 rainy days, and a total of 148.4 mm of precipitation.
Is September a good time to visit Cologne? check out the best time to travel to Cologne page.
✨ Is September a good time to visit Cologne? – Ask the AI Weatherman
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Cologne Weather September
Temperatures trend during September in Cologne
September weather in Cologne day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 25° /16° | 4.8 mm | 6 | |
| 2 Sept. | Light rain | 26° /16° | 4.9 mm | 6 | |
| 3 Sept. |  Sunny | 26° /16° | 0.6 mm | 6.9 | |
| 4 Sept. | Light rain | 27° /17° | 4.1 mm | 6 | |
| 5 Sept. |  Moderate rain | 23° /16° | 12.2 mm | 5 | |
| 6 Sept. | Sunny | 25° /15° | 0.5 mm | 6 | |
| 7 Sept. | Sunny | 26° /16° | 0.2 mm | 6.5 | |
| 8 Sept. | Light rain | 25° /17° | 5.3 mm | 6 | |
| 9 Sept. | Moderate rain | 24° /16° | 14.1 mm | 5 | |
| 10 Sept. | Moderate rain | 22° /15° | 17.3 mm | 5 | |
| 11 Sept. |  Patchy rain possible | 24° /14° | 2.3 mm | 5 | |
| 12 Sept. | Moderate rain | 22° /14° | 10.9 mm | 6 | |
| 13 Sept. |  Thundery outbreaks possible | 21° /13° | 3 mm | 4 | |
| 14 Sept. | Light rain | 22° /13° | 3.8 mm | 5 | |
| 15 Sept. |  Cloudy | 23° /14° | 0 mm | 5.8 | |
| 16 Sept. | Patchy rain possible | 22° /15° | 1 mm | 5 | |
| 17 Sept. | Light rain | 19° /14° | 5.8 mm | 4 | |
| 18 Sept. | Light rain | 22° /14° | 4.2 mm | 5 | |
| 19 Sept. | Light rain | 23° /14° | 2.8 mm | 5 | |
| 20 Sept. | Light rain shower | 23° /14° | 2.1 mm | 5 | |
| 21 Sept. | Light rain | 23° /15° | 3.3 mm | 4 | |
| 22 Sept. | Moderate rain | 20° /14° | 10.6 mm | 5 | |
| 23 Sept. |  Patchy light rain with thunder | 19° /13° | 9.9 mm | 4 | |
| 24 Sept. | Light rain | 20° /12° | 8.3 mm | 4 | |
| 25 Sept. | Light rain | 19° /11° | 2.8 mm | 4 | |
| 26 Sept. | Light rain | 18° /12° | 4.2 mm | 4 | |
| 27 Sept. | Light rain | 21° /12° | 4.2 mm | 4.7 | |
| 28 Sept. | Light rain | 21° /12° | 5.1 mm | 4.6 | |
| 29 Sept. | Sunny | 21° /11° | 0 mm | 4.5 | |
| 30 Sept. | Patchy rain possible | 20° /12° | 0.2 mm | 4.4 | |
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Cologne weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/18° | 22°/14° | 17°/11° |
| Rainfall | 137 mm | 148 mm | 171 mm |
| Wind | 10.2 km/h | 8.9 km/h | 7.1 km/h |
| Humidity | 67% | 74% | 78% |
| Rainy days | 15 days | 12 days | 12 days |
| Dry days | 16 days | 18 days | 19 days |
Planning a trip to Cologne? Discover the best time to visit
Cologne in September - FAQ
What are the expected maximum and minimum temperatures in Cologne during September?
How much rainfall should be expected in Cologne during September?
What are the typical wind conditions in Cologne during September?
September rainfall patterns in Cologne
UV exposure in Cologne during September
What to pack to Cologne in September?
Mild & changeable · highs around 22 °C, frequent showers
As you prepare for your trip to Cologne in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cologne, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Cologne?Get accurate weather forecasts for Cologne, located at latitude 45.579 and longitude 9.942. Stay updated with localized weather information tailored for Cologne.