Aire-sur-la-Lys
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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 excellent, 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.

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).

Aire-sur-la-Lys Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Aire-sur-la-Lys - and find the best time to visit.

Best Places in France in September

Find out more about the weather in France and which places have the best travel conditions in this month. See all of France 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 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

Aire-sur-la-Lys 3-Day Forecast

More climate data for Aire-sur-la-Lys

Popular in September

Where to go in September - average daytime high across popular destinations.

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