The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?
Clervaux Weather in September
Clervaux in September sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 77 mm (3 in) on average, so pack waterproofs just in case.
Rainfall in Clervaux in September
Expect around 16 days of rain based on historical data, with 77 mm (3 in) average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Clervaux in September
Daytime temperatures in Clervaux reach 19°C (66°F) in September, dropping to 9°C (48°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Clervaux in September
With about 160 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Clervaux.
Clervaux Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
52%
Precipitation
77 mm (3 in)
Rainy days
16 days
Humidity
88% *
Sunshine
160 hours *
Percentage Sunshine
*
* Data from: Botrange, Belgium (49 KM, 30 Miles).
Clervaux Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Clervaux - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Clervaux typically drop from around 19°C (66°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°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 Clervaux in September
Browse day-by-day weather records for Clervaux spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Clervaux historical weather extremes in September
According to our 50 years of weather records for Clervaux, the following extremes were recorded between 1976 and 2026.
- The hottest September day on record in Clervaux reached 32°C (90°F) (September 15, 2020).
- On September 25, 2025, Clervaux saw its coldest September day with temperatures maxing out at 8°C (46°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 Clervaux in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Clervaux in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Clervaux 3-Day Forecast
More climate data for Clervaux
Temperature Rainfall Sunshine Humidity
See the full Clervaux 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
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most charming villages in France
The train journey from Bucharest to Brasov is one of the most beautiful in Romania
In three hours, you'll get from Bucharest to Brasov by train. It is one of the most beautiful routes in Romania, certainly the most beautiful that can be done by express train.
An alternative way to discover Paris
From street art, vintage shops, vegetarian cafes, to amazing cultural events, Paris has much to offer for the creative traveler. An overview of sights that you must see if you want to visit this city in an alternative way.
The 10 most beautiful historical towns in Italy
Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.