Aire-sur-la-Lys Weather in September

Aire-sur-la-Lys in September sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 61 mm (2.4 in) on average, so pack waterproofs just in case.

Rainfall in Aire-sur-la-Lys in September

Historically, approximately 16 days this month are expected to have rain, averaging 61 mm (2.4 in). 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 Aire-sur-la-Lys in September

September in Aire-sur-la-Lys is generally perfect, with days reaching 20°C (68°F) and nights settling around 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Aire-sur-la-Lys in September

With about 152 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Aire-sur-la-Lys.

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For a detailed overview over the year and the best time to visit France, check out our Aire-sur-la-Lys's climate page.

Aire-sur-la-Lys Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 53%  

Precipitation 61 mm (2.4 in)  

Rainy days 16 days  

Humidity 83% *  

Sunshine 152 hours *  

Percentage Sunshine *  

* Data from: Lille, France (46 KM, 29 Miles).

What to Wear in Aire-sur-la-Lys in September

For Aire-sur-la-Lys in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Aire-sur-la-Lys in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Aire-sur-la-Lys's climate page.

More climate data for Aire-sur-la-Lys

Temperature Rainfall Sunshine Humidity

See the full Aire-sur-la-Lys climate overview or explore weather in France.