St Malo weather in September 2025

Expect 68°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in St Malo in September. Check more long-term weather averages for St Malo in September before you book your next holiday to France in 2025/2026.

  • 68°F maximum daytime temperature in September in St Malo68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in St Malo13
    13 days with some rainfall
  • 54°F minimum night-time temperature in September in St Malo54
    54°F min night temperature
  • 13 hours of daylight per day in September in St Malo13
    13 hours of daylight per day
  • No heat & humidity in September in St Malo0
    No heat & humidity
  • 2.4 inches monthly rainfall in September in St Malo2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in St Malo4
    4 (Moderate) UV index
  • 64°F sea temperature in September in St Malo64
    64°F sea temperature

More about St Malo

St Malo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for France

Jet2holidays: up to £60pp off 2024/2025 holidays

  • Save up to £60 per person on holidays with myJet2
  • £60pp off winter 2024/2025 & £50pp off summer 2025
  • Travel before 31st October 2025 (inclusive)
Go to Jet2holidays deal >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all Jet2holidays offers

Jet2holidaysJet2holidays deal finder

The September weather guide for France (St Malo) 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)  |  Imperial (°F)

Back to top

More about France

How hot is it in St Malo in September?

Daytime temperatures usually reach 68°F in St Malo in September, falling to 54°F at night.

How sunny is it in St Malo in September?

There are normally 6 hours of bright sunshine each day in St Malo in September - that's 46% of daylight hours.

How warm is the sea around St Malo in September?

The average sea temperature around St Malo in September is 64°F.

Does it rain in St Malo in September?

There are usually 13 days with some rain in St Malo in September and the average monthly rainfall is 2.4 inches.

St Malo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:25 19:50
Monday, 15th September 2025 06:45 19:20
Tuesday, 30th September 2025 07:06 18:49

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^