Lille Weather in September

Lille in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 67 mm (2.6 in), so pack a rain jacket to stay dry.

Rainfall in Lille in September

Typically around 14 days of rainfall are expected, averaging 67 mm (2.6 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Lille in September

September tends to be one of the perfect months in Lille, with 21°C (70°F) in the afternoon and 11°C (52°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Lille in September

The area experiences a moderate amount of sunshine, with approximately 166 hours of sunlight expected. This means a decent mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Lille.

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• January
• February
• March
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• May
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• October
• November
• December

For a detailed overview over the year and the best time to visit Belgium, check out our Lille's climate page.

Lille Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 46%  

Precipitation 67 mm (2.6 in)  

Rainy days 14 days  

Sunshine 166 hours *  

Percentage Sunshine *  

* Data from: Antwerp, Belgium (29 KM, 18 Miles).

What to Wear in Lille 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 Lille 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 Belgium, check out our Lille's climate page.

More climate data for Lille

Temperature Rainfall Sunshine

See the full Lille climate overview or explore weather in Belgium.