Saint-Jean-de-Luz weather in September 2025

Expect 23°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Saint-Jean-de-Luz in September. Check more long-term weather averages for Saint-Jean-de-Luz in September before you book your next holiday to France in 2025/2026.

  • 23°C maximum daytime temperature in September in Saint-Jean-de-Luz23
    23°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Saint-Jean-de-Luz12
    12 days with some rainfall
  • 14°C minimum night-time temperature in September in Saint-Jean-de-Luz14
    14°C min night temperature
  • 12 hours of daylight per day in September in Saint-Jean-de-Luz12
    12 hours of daylight per day
  • No heat & humidity in September in Saint-Jean-de-Luz0
    No heat & humidity
  • 115 mm monthly rainfall in September in Saint-Jean-de-Luz115
    115 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Saint-Jean-de-Luz5
    5 (Moderate) UV index
  • 21°C sea temperature in September in Saint-Jean-de-Luz21
    21°C sea temperature

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Saint-Jean-de-Luz by month

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The September weather guide for France (Saint-Jean-de-Luz) 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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How hot is it in Saint-Jean-de-Luz in September?

Daytime temperatures usually reach 23°C in Saint-Jean-de-Luz in September, falling to 14°C at night.

How sunny is it in Saint-Jean-de-Luz in September?

There are normally 6 hours of bright sunshine each day in Saint-Jean-de-Luz in September - that's 51% of daylight hours.

How warm is the sea around Saint-Jean-de-Luz in September?

The average sea temperature around Saint-Jean-de-Luz in September is 21°C.

Does it rain in Saint-Jean-de-Luz in September?

There are usually 12 days with some rain in Saint-Jean-de-Luz in September and the average monthly rainfall is 115mm.

Saint-Jean-de-Luz September sunrise & sunset times

Browse the sunrise and sunset times for Saint-Jean-de-Luz in September 2025. Select a month to view Saint-Jean-de-Luz sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:31 19:42
Monday, 15th September 2025 06:46 19:17
Tuesday, 30th September 2025 07:03 18:49

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