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A white pebble cove and turquoise sea below cliffs on Sardinia's east coast

Sardinia in September

Best for beaches

By Daan · Last reviewed October 2026

The short answer

September is the best month to visit Sardinia.

September keeps the summer sea with far fewer people.

9/10 overall18–28°CModerate-High crowds€€€€
Weather9/10
Crowds5.5/10
Prices€€€€
Events5/10

September in detail

What September actually feels like

Weather
18–28°C
Warm, around 28°C.
Crowds
Moderate-High
Calmer after the first week.
Prices
€€€€
Prices drop mid-month.

+Warm sea, fewer people.

–Some short storms.

My tip for September

The east coast coves near Cala Gonone are calmer now.

  • Beaches
  • Boat trips

How September compares

Against the other eleven months

1st of 12 overall in Sardinia, 2nd for weather, 9th for space, 9th for value. The emptiest month is January; the best value is January.

See all twelve months for Sardinia

Weather

Weather in Sardinia in September

In September Sardinia averages a high of 28°C (82°F) and a low of 18°C (64°F), with about 39 mm of rain or snow over 4 wet days. The warmest month is July (around 32°C) and the coolest is January (around 15°C); the wettest month is November.

Average high
28°C
82°F
Average low
18°C
64°F
Precipitation
39 mm
Wet days
4

Climate data: NOAA WMO normals (Cagliari Elmas Airport, 1991–2020). Temperatures are averages of daily highs and lows.

Quick answers

Sardinia in September: the questions people ask

Is September a good time to visit Sardinia?
September is the best month to visit Sardinia. It ranks 1 of 12 months in Sardinia overall (2 for weather, 9 for space, 9 for value). The main upside: Warm sea, fewer people. The main downside: Some short storms.
What is the weather like in Sardinia in September?
Average highs are around 28°C and lows around 18°C. Expect about 39 mm of rain or snow over roughly 4 wet days. Warm, around 28°C. For comparison, the warmest month is July (around 32°C) and the coolest is January (around 15°C).
Is Sardinia crowded in September?
Crowds are moderate-high. Calmer after the first week. The quietest month is January.
How expensive is Sardinia in September?
Prices are at level 4 of 5 (€€€€). Prices drop mid-month. The best-value month is January.
When is the best time to visit Sardinia?
In the CrowdFreeViews month scores, June is the best month overall (this month). The quietest month is January and the best value is January.

Ready to book September in Sardinia?

Warm sea, fewer people.

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