Cologne Bonn Airport
September
Weather in Cologne Bonn Airport for September 2027
Your guide to Cologne Bonn Airport weather in September - trends and predictions
The climate of Cologne Bonn Airport in September is notably wet, with an average of 11 rainy days, and a total of 57.1 mm of precipitation.
Is September a good time to visit Cologne Bonn Airport? check out the best time to travel to Cologne Bonn Airport page.
✨ Is September a good time to visit Cologne Bonn Airport? – Ask the AI Weatherman
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
22°/12°
Temperatures
14 km/h
Avg max wind
68 %
Avg humidity
Cologne Bonn Airport Weather September
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Temperatures trend during September in Cologne Bonn Airport
See the weather trend as well as the moving average line
September weather in Cologne Bonn Airport day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 22° /12° | 0.9 mm | 3 | |
| 2 Sept. |  Overcast | 22° /13° | 0 mm | 1 | |
| 3 Sept. |  Moderate or heavy rain shower | 20° /15° | 7.1 mm | 1 | |
| 4 Sept. |  Light rain | 25° /16° | 6.1 mm | 1 | |
| 5 Sept. | Patchy rain possible | 21° /13° | 1 mm | 4 | |
| 6 Sept. | Overcast | 23° /10° | 0 mm | 3 | |
| 7 Sept. | Patchy rain possible | 30° /15° | 1.8 mm | 1 | |
| 8 Sept. | Patchy rain possible | 27° /17° | 1.1 mm | 2 | |
| 9 Sept. | Patchy rain possible | 18° /12° | 1.5 mm | 1 | |
| 10 Sept. | Patchy rain possible | 19° /9° | 0.4 mm | 4 | |
| 11 Sept. | Overcast | 19° /11° | 0 mm | 1 | |
| 12 Sept. | Patchy rain possible | 22° /12° | 0.1 mm | 2 | |
| 13 Sept. |  Moderate rain | 17° /15° | 18.1 mm | 1 | |
| 14 Sept. | Overcast | 21° /14° | 0.1 mm | 1 | |
| 15 Sept. | Overcast | 27° /16° | 0 mm | 3 | |
| 16 Sept. |  Heavy rain at times | 19° /12° | 10 mm | 1 | |
| 17 Sept. | Overcast | 20° /10° | 0.3 mm | 2 | |
| 18 Sept. | Patchy rain possible | 18° /11° | 1.1 mm | 2 | |
| 19 Sept. | Overcast | 23° /13° | 0 mm | 1 | |
| 20 Sept. | Moderate or heavy rain shower | 16° /12° | 5.6 mm | 1 | |
| 21 Sept. | Overcast | 18° /9° | 0 mm | 1 | |
| 22 Sept. | Overcast | 18° /10° | 0 mm | 3 | |
| 23 Sept. | Overcast | 21° /9° | 0 mm | 2 | |
| 24 Sept. | Patchy rain possible | 17° /11° | 0.9 mm | 1 | |
| 25 Sept. | Overcast | 21° /8° | 0 mm | 2 | |
| 26 Sept. | Overcast | 23° /11° | 0 mm | 1 | |
| 27 Sept. | Overcast | 27° /13° | 0 mm | 1 | |
| 28 Sept. | Overcast | 24° /14° | 0 mm | 1 | |
| 29 Sept. | Overcast | 26° /16° | 0 mm | 0 | |
| 30 Sept. | Patchy rain possible | 22° /12° | 1 mm | 1 | |
| Next | |||||
Important Notice
Our weather forecast for Cologne Bonn Airport in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cologne Bonn Airport forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cologne Bonn Airport weather in September vs August vs October
Compare September weather in Cologne Bonn Airport with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible |  Cloudy | Patchy rain possible |
| Temperatures | 26°/14° | 22°/12° | 15°/8° |
| Rainfall | 69 mm | 57 mm | 98 mm |
| Wind | 15.3 km/h | 14 km/h | 16.1 km/h |
| Humidity | 58% | 68% | 79% |
| Rainy days | 12 days | 11 days | 17 days |
| Dry days | 19 days | 19 days | 14 days |
Planning a trip to Cologne Bonn Airport? Discover the best time to visit
Cologne Bonn Airport in September - FAQ
What are the expected maximum and minimum temperatures in Cologne Bonn Airport during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cologne Bonn Airport during September?
Moderate rainfall is anticipated in Cologne Bonn Airport during September, with a total of 57.1 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cologne Bonn Airport during September?
The average wind speed in Cologne Bonn Airport during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cologne Bonn Airport
Explore the daily rainfall trends and prepare for Cologne Bonn Airports September weather 💧
Typically, Cologne Bonn Airport has 11 rainy days in September with a total of 57.1 mm of rainfall.
UV exposure in Cologne Bonn Airport during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
What to pack to Cologne Bonn Airport in September?
Mild & changeable · highs around 22 °C, frequent showers
As you prepare for your trip to Cologne Bonn Airport 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 Bonn Airport, during September, is comfortable and enjoyable, regardless of the weather conditions.
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