Ardennes Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in the Ardennes, Belgium in September.

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Liège Spa Namur Verviers

Planning a getaway to the Ardennes, Belgium this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in the Ardennes in September

The Ardennes, Belgium 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 (68°F) and nighttime temperatures around 11°C (52°F) in Liège.

To learn more about the conditions in specific areas of the Ardennes, Belgium, check out the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Namur with an average of 67 mm (2.6 in) to moderate rainfall in Spa with 85 mm (3.3 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Liège as an example - it receives around 159 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore the Ardennes by month

Pick a month to see the average temperature, rainfall and sunshine in the Ardennes — and find the best time to visit. (based on Liège)

January6°C (43°F) February7°C (45°F) March11°C (52°F) April15°C (59°F) May19°C (66°F) June22°C (72°F) This monthJuly24°C (75°F) August24°C (75°F) September20°C (68°F) October15°C (59°F) November10°C (50°F) December7°C (45°F)
Best Time to Visit the Ardennes →

Best Places to Visit in the Ardennes in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Ardennes.

Conditions Temperatures Precipitation
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).

Popular Destinations in the Ardennes

What is the weather like in September for some of the most popular destinations in the Ardennes, Belgium?

Temperature range in the Ardennes (September)

Precipitation variation in the Ardennes (September)

Liège

In September Liège generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
15°C (59°F)
Min temperature
13°C (55°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
199 hours
159 hours
117 hours
Monthly rainfall
87 mm (3.4 in)
74 mm (2.9 in)
72 mm (2.8 in)
Monthly rainy days
15 days
14 days
15 days
Weather conditions
perfect
perfect
tolerable
Climate in Liège →

Spa

In September Spa generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
19°C (66°F)
14°C (57°F)
Min temperature
13°C (55°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
175 hours
160 hours
115 hours
Monthly rainfall
97 mm (3.8 in)
85 mm (3.3 in)
82 mm (3.2 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
perfect
pleasant
tolerable
Climate in Spa →

Namur

In September Namur generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
15°C (59°F)
Min temperature
13°C (55°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
176 hours
150 hours
121 hours
Monthly rainfall
84 mm (3.3 in)
67 mm (2.6 in)
67 mm (2.6 in)
Monthly rainy days
17 days
18 days
18 days
Weather conditions
perfect
perfect
tolerable
Climate in Namur →

Verviers

In September Verviers generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
23°C (73°F)
19°C (66°F)
14°C (57°F)
Min temperature
13°C (55°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
175 hours
160 hours
115 hours
Monthly rainfall
92 mm (3.6 in)
81 mm (3.2 in)
78 mm (3.1 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions
perfect
pleasant
tolerable
Climate in Verviers →

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

Popular cities in September

Day & night temperatures, rainfall and average weather in the Ardennes in September.

City Weather Day temp Night temp Rainfall
Liège 20°C (68°F) 11°C (52°F) 74 mm (2.9 in)
Spa 19°C (66°F) 10°C (50°F) 85 mm (3.3 in)
Namur 20°C (68°F) 11°C (52°F) 67 mm (2.6 in)
Verviers 19°C (66°F) 10°C (50°F) 81 mm (3.2 in)

The Ardennes weather in September: frequently asked questions

What is the weather like in the Ardennes, Belgium in September?

Expect perfect weather across the Ardennes, Belgium in September. The popular destination of Liège averages 20°C (68°F) by day and 11°C (52°F) at night during this month.

What is the average temperature in the Ardennes, Belgium in September?

Average temperatures in the Ardennes, Belgium during September range from a nighttime low near 11°C (52°F) to a daytime high around 20°C (68°F) in Liège.

Does the Ardennes, Belgium get a lot of rain in September?

Not particularly. Liège averages just 74 mm (2.9 in) of rain in September, making it a mostly dry month for the Ardennes, Belgium.

Is September a Good Time to Visit the Ardennes, Belgium?

We believe that September is one of the best times to visit the Ardennes, Belgium 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, Belgium 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.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Do a pub crawl in Antwerp

You can visit Antwerp year round however May through September is the best time to go to Antwerp for a pub crawl. Late spring is recommended for its long days.
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