Lille weather in September 2025

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Lille in September. Check more long-term weather averages for Lille in September before you book your next holiday to France in 2025/2026.

  • 19°C maximum daytime temperature in September in Lille19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Lille14
    14 days with some rainfall
  • 10°C minimum night-time temperature in September in Lille10
    10°C min night temperature
  • 13 hours of daylight per day in September in Lille13
    13 hours of daylight per day
  • No heat & humidity in September in Lille0
    No heat & humidity
  • 62 mm monthly rainfall in September in Lille62
    62 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Lille4
    4 (Moderate) UV index

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The September weather guide for France (Lille) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about France

How hot is it in Lille in September?

Daytime temperatures usually reach 19°C in Lille in September, falling to 10°C at night.

How sunny is it in Lille in September?

There are normally 5 hours of bright sunshine each day in Lille in September - that's 41% of daylight hours.

Does it rain in Lille in September?

There are usually 14 days with some rain in Lille in September and the average monthly rainfall is 62mm.

Lille September sunrise & sunset times

Browse the sunrise and sunset times for Lille in September 2025. Select a month to view Lille sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:02 19:32
Monday, 15th September 2025 06:23 19:01
Tuesday, 30th September 2025 06:47 18:28

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