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Weather in Koblenz for September 2025

Your guide to Koblenz weather in September - trends and predictions
  • In general, the average temperature in Koblenz at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °C by the end of September.

  • Koblenz sees moderate rainfall in September, averaging 7 rainy days.

  • Is September a good time to visit Koblenz? check out the best time to travel to Koblenz page.

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/8°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Koblenz in September average weather

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Temperatures trend during September in Koblenz

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Moderate rain
Moderate rain
24° /12° 3.2 mm 5
2 Sept. Fog
Fog
28° /12° 2.8 mm 6
3 Sept. Mist
Mist
26° /13° 0.6 mm 6
4 Sept. Partly cloudy
Partly cloudy
22° /12° 5.4 mm 6
5 Sept. Sunny
Sunny
29° /12° 0.1 mm 7
6 Sept. Sunny
Sunny
24° /12° 0.2 mm 6
7 Sept. Sunny
Sunny
29° /11° 0 mm 7
8 Sept. Sunny
Sunny
25° /12° 0.8 mm 6
9 Sept. Sunny
Sunny
25° /13° 5.7 mm 7
10 Sept. Sunny
Sunny
24° /12° 0.7 mm 6
11 Sept. Sunny
Sunny
23° /9° 3.1 mm 6
12 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
21° /9° 17.6 mm 5
13 Sept. Mist
Mist
16° /7° 0.8 mm 4
14 Sept. Cloudy
Cloudy
18° /7° 0 mm 5
15 Sept. Sunny
Sunny
21° /5° 0 mm 6
16 Sept. Partly cloudy
Partly cloudy
21° /10° 1 mm 6
17 Sept. Mist
Mist
25° /12° 0.5 mm 6
18 Sept. Mist
Mist
24° /11° 1.2 mm 6
19 Sept. Patchy rain possible
Patchy rain possible
22° /11° 0.3 mm 5
20 Sept. Partly cloudy
Partly cloudy
23° /9° 0 mm 6
21 Sept. Heavy rain
Heavy rain
24° /9° 5.5 mm 6
22 Sept. Light drizzle
Light drizzle
22° /8° 1.1 mm 5
23 Sept. Light rain shower
Light rain shower
17° /7° 1.7 mm 4
24 Sept. Partly cloudy
Partly cloudy
18° /7° 1.8 mm 5
25 Sept. Partly cloudy
Partly cloudy
19° /8° 2.8 mm 5
26 Sept. Sunny
Sunny
21° /10° 7.5 mm 5
27 Sept. Overcast
Overcast
20° /9° 1.6 mm 5
28 Sept. Partly cloudy
Partly cloudy
19° /7° 1.2 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
19° /8° 0.3 mm 4
30 Sept. Mist
Mist
17° /6° 0.5 mm 4
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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.

Koblenz in September - FAQ

What are the expected maximum and minimum temperatures in Koblenz during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Koblenz during September?
Significant rainfall exceeding 102.7 mm is expected in Koblenz during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Koblenz during September?
The average wind speed in Koblenz during September is 12 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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Location coordinates Where is Koblenz?

Get accurate weather forecasts for Koblenz, located at latitude 50.354 and longitude 7.579. Stay updated with localized weather information tailored for Koblenz.

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