Oristanese & Sinis weather in September

September in Oristanese & Sinis averages daytime highs of 28.2°C and nights around 17.5°C, with about 11 hours of sunshine a day. The sea averages 24.1°C: genuinely warm, fine for long, lazy swims. This is one of the wetter months, with about 6 rainy days and around 51 mm of rain, so pack a layer for showers, and the sun is strong (average peak UV 6), so sunscreen is essential.

Daytime high

28.2°C

Nights around 17.5°C

Sea temperature

24.1°C

Typical max waves 1 m

Rain

6 days

About 51 mm over the month

Sunshine

11 hrs/day

Average bright sunshine

UV index

Average daily peak

Wind

18 km/h

Average daily maximum

Weather data by Open-Meteo.com (CC BY 4.0). Figures are ten-year averages from the historical record.

What September feels like

September is the locals' favourite, and ours. The crowds thin within a fortnight, the sea stays warm well into October, and the light turns soft and amber. Vendemmia, the grape harvest, animates the wine country, restaurants have time to talk again, and you can hike in the morning and swim in the afternoon. If you can travel in September, travel in September. In the Oristanese and Sinis it is lagoons and flamingos, quartz-sand beaches and the Phoenician ruins of Tharros.

What to do in Oristanese & Sinis in September

Quartz sands of the Sinis

Is Arutas and Mari Ermi's rice-grain quartz beaches stay breezier than the east coast, with lagoon-side kitesurfing close by.

Beaches Watersports Oristanese & Sinis

Beach days

Warm sea, long days and dependable sunshine: this is prime beach weather. Go early or late in the day for the softest light and the emptiest sand.

Beaches Hidden Beaches & Secret Coves

Get out on the water

Flat, warm mornings are made for boat trips, kayaking and snorkelling; the breeze that builds in the afternoon suits sailors and windsurfers.

Boating Watersports

Island hopping

Calm summer seas make the small islands off the coast an easy day out, from ferry rides to skippered charters.

Islands Day Trips

Evenings in town

When the beaches empty, the piazzas fill. Aim for a slow dinner outdoors and a passeggiata through the old lanes.

Restaurants Towns & Villages

Oristanese & Sinis in September: quick answers

How hot is Oristanese & Sinis in September?

Daytime highs in Oristanese & Sinis average 28.2°C in September, with nights around 17.5°C and roughly 11 hours of sunshine a day (ten-year average).

Is the sea warm enough to swim in September?

The sea around Oristanese & Sinis averages 24.1°C in September: genuinely warm, fine for long, lazy swims.

Does it rain much in Oristanese & Sinis in September?

Oristanese & Sinis sees about 6 days with rain in September, totalling around 51 mm for the month.

September elsewhere on the island

All of Sardinia Gallura Nurra & Alghero Sassari & Logudoro Barbagia & Nuorese Ogliastra Sulcis-Iglesiente Cagliari & Campidano

Planning a trip? Browse our Oristanese & Sinis guides or see today's live weather.