When to go · Lille

Lille in September

Great month. Inside Lille's best window: May–Jun, Sep–Oct.

Key facts

Plan around it

Verdict

GreatBest and avoid months for Lille

Inside Lille's best window: May–Jun, Sep–Oct.

Long-term averages

LilleHighs around 20.2 °C, lows around 11.4 °C, rain on about 10 daysHighs around 68 °F, lows around 53 °F, rain on about 10 days
Paris and the north, France · Paris, Lille, Champagne, Normandy inlandbest weather
Grey, damp winters; late spring and September are the sweet spot. Paris heatwaves hit 35–40 °C in July–August and most flats and small hotels lack air conditioning.Grey, damp winters; late spring and September are the sweet spot. Paris heatwaves hit 95–104 °F in July–August and most flats and small hotels lack air conditioning.

France overall: Warm sea in the south, grape harvest in the vineyards, quieter roads. The best all-round month.