Isola Rossa weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Isola Rossa in September. Check more long-term weather averages for Isola Rossa in September before you book your next holiday to Sardinia in 2025/2026.

  • 25°C maximum daytime temperature in September in Isola Rossa25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Isola Rossa7
    7 days with some rainfall
  • 17°C minimum night-time temperature in September in Isola Rossa17
    17°C min night temperature
  • 12 hours of daylight per day in September in Isola Rossa12
    12 hours of daylight per day
  • Low heat & humidity in September in Isola RossaL
    Low heat & humidity
  • 38 mm monthly rainfall in September in Isola Rossa38
    38 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Isola Rossa6
    6 (High) UV index
  • 23°C sea temperature in September in Isola Rossa23
    23°C sea temperature

More about Isola Rossa

Isola Rossa by month

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

Recommended for Sardinia

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The September weather guide for Sardinia (Isola Rossa) 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 Sardinia

How hot is it in Isola Rossa in September?

Daytime temperatures usually reach 25°C in Isola Rossa in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Isola Rossa in September?

There are normally 8 hours of bright sunshine each day in Isola Rossa in September - that's 67% of daylight hours.

How warm is the sea around Isola Rossa in September?

The average sea temperature around Isola Rossa in September is 23°C.

Does it rain in Isola Rossa in September?

There are usually 7 days with some rain in Isola Rossa in September and the average monthly rainfall is 38mm.

Isola Rossa September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:51 18:57
Monday, 15th September 2025 06:05 18:33
Tuesday, 30th September 2025 06:20 18:08

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^