Granville weather in September 2025

Expect daytime maximum temperatures of 20°C in Granville in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 68 mm of rainfall in the month.

  • 20°C maximum daytime temperature in September in Granville20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in Granville13
    13 days with some rainfall
  • 12°C minimum night-time temperature in September in Granville12
    12°C min night temperature
  • 13 hours of daylight per day in September in Granville13
    13 hours of daylight per day
  • No heat & humidity in September in Granville0
    No heat & humidity
  • 68 mm monthly rainfall in September in Granville68
    68 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Granville4
    4 (Moderate) UV index
  • 18°C sea temperature in September in Granville18
    18°C sea temperature

More about Granville

Granville by month

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

Recommended for France

TUI discount code: up to £300 off 2025/2026 holidays

  • Save up to £300 on package holidays in 2025/2026
  • Book in TUI sale. Discount varies by spend. T&Cs apply
  • Travel between 1st May 2025 & 31st Oct 2026 (inclusive)
Show discount codeShow discount code ******ALE
Redeem TUI discount code >>

Expires at 10:00 on Friday 28th Feb 2025 · View all TUI offers

TUITUI deal finder

The September weather guide for France (Granville) 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)

Back to top

More about France

How hot is it in Granville in September?

Daytime temperatures usually reach 20°C in Granville in September, falling to 12°C at night.

How sunny is it in Granville in September?

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

How warm is the sea around Granville in September?

The average sea temperature around Granville in September is 18°C.

Does it rain in Granville in September?

There are usually 13 days with some rain in Granville in September and the average monthly rainfall is 68mm.

Granville September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:23 19:48
Monday, 15th September 2025 06:43 19:19
Tuesday, 30th September 2025 07:05 18:47

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^