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Weather in September in The Ardennes

Are you planning a trip a to the Ardennes in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in the Ardennes in September?

The Ardennes is a region in Belgium. September in the Ardennes generally has pleasant temperatures, with moderate precipitation.

Temperatures

You can expect pleasant maximum daytime temperatures of around 20°C and nighttime temperatures around 11°C in Liège.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Namur with an average of 67 mm to moderate rainfall in Spa with 85 mm.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 159 hours of sunlight expected in Liège. This makes it neither too gloomy nor overly bright.

For specific regional insights in the Ardennes for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our the Ardennes climate page.

Where to go in the Ardennes in September

Find more information for the most popular destinations in the the Ardennes on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 4 most popular destinations in the Ardennes?

Liège

In September Liège generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Liège
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
13°C 
199 hours 
87 mm 
15 days 
20°C 
11°C 
159 hours 
74 mm 
14 days 
October   >> October
>>  
15°C 
8°C 
117 hours 
72 mm 
15 days 
Climate in Liège

Spa

In September Spa generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 10°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Spa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
22°C 
13°C 
175 hours 
97 mm 
17 days 
19°C 
10°C 
160 hours 
85 mm 
17 days 
October   >> October
>>  
14°C 
7°C 
115 hours 
82 mm 
18 days 
Climate in Spa

Namur

In September Namur generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Namur
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
13°C 
176 hours 
84 mm 
17 days 
20°C 
11°C 
150 hours 
67 mm 
18 days 
October   >> October
>>  
15°C 
8°C 
121 hours 
67 mm 
18 days 
Climate in Namur

Verviers

In September Verviers generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 10°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Verviers
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
23°C 
13°C 
175 hours 
92 mm 
16 days 
19°C 
10°C 
160 hours 
81 mm 
17 days 
October   >> October
>>  
14°C 
7°C 
115 hours 
78 mm 
17 days 
Climate in Verviers

Is your destination not in the list? Have a look at other destinations in the Ardennes, in Belgium.

Is September the best time to visit the Ardennes?

We believe that September is one of the best times to visit the Ardennes with overall perfect weather in Liège. However, the weather conditions may vary depending on your destination.

On average, the best time to visit the Ardennes is in June, July, August and September with generally perfect weather in Liège. In contrast, January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in the Ardennes. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Belgium? Get detailed historical weather averages for many cities in Belgium.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.