Koblenz
September
Weather in Koblenz for September 2026
Your guide to Koblenz weather in September - trends and predictions
In general, the average temperature in Koblenz at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18 °C by the end of September.
Koblenz in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 67.9 mm.
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Temperatures
Rain 🌧️
More
14
Dry days
16
Rainy days
0
Snow days
22°/10°
Temperatures
13 km/h
Avg max wind
74 %
Avg humidity
Koblenz Weather September
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Temperatures trend during September in Koblenz
See the weather trend as well as the moving average line
September weather in Koblenz day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 23° /11° | 2.9 mm | 5 | |
| 2 Sept. |  Fog | 26° /11° | 2.4 mm | 6 | |
| 3 Sept. | Mist | 25° /13° | 1.3 mm | 5 | |
| 4 Sept. |  Partly cloudy | 22° /12° | 4 mm | 5 | |
| 5 Sept. |  Sunny | 26° /12° | 0.7 mm | 6 | |
| 6 Sept. | Sunny | 24° /10° | 0.1 mm | 6 | |
| 7 Sept. | Sunny | 28° /10° | 0 mm | 6 | |
| 8 Sept. | Sunny | 24° /11° | 1.2 mm | 6 | |
| 9 Sept. |  Light rain shower | 22° /12° | 16.6 mm | 6 | |
| 10 Sept. | Sunny | 23° /10° | 0.8 mm | 5 | |
| 11 Sept. | Sunny | 22° /9° | 2.6 mm | 5 | |
| 12 Sept. | Light rain shower | 20° /9° | 13.1 mm | 4 | |
| 13 Sept. | Mist | 17° /7° | 2.9 mm | 4 | |
| 14 Sept. | Patchy rain possible | 18° /8° | 1.5 mm | 4 | |
| 15 Sept. | Sunny | 21° /8° | 0.9 mm | 5 | |
| 16 Sept. | Partly cloudy | 19° /10° | 1.2 mm | 5 | |
| 17 Sept. | Mist | 22° /10° | 0.3 mm | 5 | |
| 18 Sept. | Sunny | 24° /10° | 0.8 mm | 6 | |
| 19 Sept. | Patchy rain possible | 24° /10° | 0.2 mm | 6 | |
| 20 Sept. | Partly cloudy | 25° /10° | 0.4 mm | 6 | |
| 21 Sept. |  Heavy rain | 23° /10° | 13.8 mm | 5 | |
| 22 Sept. |  Light drizzle | 20° /8° | 0.9 mm | 4 | |
| 23 Sept. | Light rain shower | 17° /7° | 1.1 mm | 4 | |
| 24 Sept. | Partly cloudy | 17° /7° | 1.4 mm | 5 | |
| 25 Sept. | Light rain | 16° /8° | 3.4 mm | 4 | |
| 26 Sept. | Sunny | 18° /8° | 6.9 mm | 4 | |
| 27 Sept. | Patchy rain possible | 19° /8° | 1.1 mm | 4 | |
| 28 Sept. | Partly cloudy | 20° /6° | 0.8 mm | 5 | |
| 29 Sept. | Patchy rain possible | 19° /9° | 0.2 mm | 4 | |
| 30 Sept. | Mist | 17° /6° | 1.1 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Koblenz 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 Koblenz forecast closer to your planned date for the most up-to-date weather information.
Change Month
Koblenz weather in September vs August vs October
Compare September weather in Koblenz 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 | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/13° | 22°/10° | 16°/7° |
| Rainfall | 116 mm | 68 mm | 93 mm |
| Wind | 12 km/h | 13.2 km/h | 13.7 km/h |
| Humidity | 75% | 74% | 81% |
| Rainy days | 20 days | 16 days | 20 days |
| Dry days | 11 days | 14 days | 11 days |
Planning a trip to Koblenz? Discover the best time to visit
Koblenz in September - FAQ
What are the expected maximum and minimum temperatures in Koblenz during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Koblenz during September?
Moderate rainfall is anticipated in Koblenz during September, with a total of 67.9 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Koblenz during September?
The average wind speed in Koblenz during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Koblenz in September?
As you prepare for your trip to Koblenz 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 Koblenz, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Koblenz
Explore the daily rainfall trends and prepare for Koblenzs September weather 💧
UV exposure in Koblenz during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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