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Vianden Weather in September
Vianden in September sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 69 mm (2.7 in), so pack a rain jacket to stay dry.
Rainfall in Vianden in September
The climate data from previous years indicates about 15 days of rain, averaging 69 mm (2.7 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Vianden in September
In September, Vianden sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Vianden in September
The area enjoys a moderate level of sunlight, with around 172 hours. It's a good balance between sunny and cloudy days.For Vianden itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Vianden Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
19°C (66°F)
Chance of Rain
49%
Precipitation
69 mm (2.7 in)
Rainy days
15 days
Humidity
76% *
Sunshine
172 hours *
Percentage Sunshine
42% *
* Data from: Luxembourg, Luxembourg (35 KM, 21 Miles).
Vianden Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Vianden - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vianden typically drop from around 20°C (68°F) at the start of September to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Vianden in September
Browse day-by-day weather records for Vianden spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vianden historical weather extremes in September
Our historical data for Vianden spans 1976 to 2025, revealing these weather extremes.
- On September 15, 2020, temperatures climbed to 33°C (91°F), marking the warmest September day on record.
- Vianden experienced its chilliest September day on September 21, 1977, reaching only 9°C (48°F).
- The lowest overnight temperature recorded in September was 0°C (32°F) (September 6, 1993).
Best Places in Luxembourg in September
Find out more about the weather in Luxembourg and which places have the best travel conditions in this month. See all of Luxembourg in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Vianden in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Vianden in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping4/10 -
Outdoor sports10/10
Vianden 3-Day Forecast
More climate data for Vianden
Temperature Rainfall Sunshine Humidity
See the full Vianden climate overview or explore weather in Luxembourg.
Popular in September
Where to go in September - average daytime high across popular destinations.
Mondorf-les-Bains
20°C (68°F) Remich20°C (68°F) Luxembourg20°C (68°F) Berdorf20°C (68°F) Vianden19°C (66°F) Echternach20°C (68°F) Clervaux19°C (66°F) Enscherange19°C (66°F) Bucket list
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