Italy Weather in September

September lures late-season travellers to Italy with a captivating blend of lingering summer warmth and the turning of the leaves as autumn arrives. As the summer crowds recede, this transitional month offers a perfect opportunity to explore Italy with far fewer people. From strolling through Tuscany's vineyards during grape harvest season to indulging in the colourful festivals of Sicily and hitting the beach, September beckons visitors to savour a more authentic side to Italy without the peak tourist rush. Make sure to read all our tips and tricks about the weather in Italy in September.

What is the weather like in Italy in September?

The weather in Italy in September provides pleasant temperatures as it transitions from summer to autumn.

Average temperatures in the north drop to between 18°C (64°F) to 24°C (75°F). It's generally mild and comfortable in cities like Milan and Venice with occasional rain showers.

Rome and Florence average 20°C (68°F) to 27°C (81°F) in September. It's still warm during the day, but the mornings and evenings can be cooler. There may be the odd downpour but overall it's a relatively dry month.

Southern Italy remains warm by comparison, hitting around 21°C (70°F) to 28°C (82°F). Thanks to the summer sun, the sea is still enjoyable for swimming. The weather remains mostly sunny.

Rough Guides tip: a trip to Italy is a once-in-a-lifetime experience. Do you want to get the best out of your trip? Check our Italy itineraries.

Grand Canal, Venice, Italy © Apple Kullathida/Shutterstock

Grand Canal, Venice, Italy © Shutterstock

Is Italy warm in September?

While it marks the transition from summer to autumn, September still offers pleasant and warm weather across much of the country. In northern Italy, including cities like Milan and Venice, September temperatures range from mild to warm.

Average highs can range between 20°C (68°F) and 24°C (75°F), while average lows range from 12°C (54°F) to 17°C (63°F). The weather is generally comfortable for outdoor activities, and evenings may start to feel slightly cooler.

In central Italy, which includes cities like Rome and Florence, September is still warm during the day but with cooler mornings and evenings. Average highs range from 23°C (73°F) to 27°C (81°F), while average lows range from 14°C (57°F) to 17°C (63°F). It's a great time to explore the cities, visit historical sites, and enjoy outdoor dining.

Southern Italy, including destinations like Naples and Sicily, experiences warm temperatures in September.

Average highs range from 24°C (75°F) to 28°C (82°F), with average lows between 17°C (63°F) and 21°C (70°F). The weather remains mostly sunny and enjoyable, making it ideal for beach visits and outdoor activities.

Additionally, some regions in mountainous areas of Italy may have cooler temperatures compared to the rest of the country.

Rough Guides tip: make sure to read all about the best time to visit Italy


Alba, Piedmont© Shutterstock

Is September a good time to visit Italy?

The weather in Italy in september makes a great month to visit Italy. It offers pleasant weather across Italy. The temperatures are still warm, but not as hot as the peak summer months. It's a comfortable time for hiking, exploring larger cities, and heading out into the countryside for a road trip.

September is outside the peak tourist season, which means you can expect fewer crowds compared to the summer months.

It’s also harvest season in Italy, particularly in the wine regions. This can be a great time to visit vineyards and attend wine festivals

During the shoulder season, there are more affordable prices for accommodations, flights, and tours. September is a great time to take advantage of better deals and availability.

The world-class wines and truffles waiting to be discovered on this tailor-made Piedmont Discovery. The capital city Turin is a cultural centre with a picture-perfect skyline. Afterwards, continue to the countryside around Alba, with wine tastings, cooking classes and enjoying the mountains and nature.

Average rainfall in Italy in September

Rainfall patterns can vary in September but for a transition month from summer to autumn, Italy remains relatively dry.

Milan and Venice receive moderate rainfall, averaging 79 mm (3.1 inches) in Milan and 76 mm (3 inches) in Venice.

In central Italy, September remains a relatively dry month. Rome sees an average rainfall of about 29 mm (1.1 inches), while Florence receives around 57 mm (2.2 inches).

Southern Italy has less rain still. Naples receives an average rainfall of approximately 41 mm (1.6 inches), while Sicily sees around 18 mm (0.7 inches) of rainfall.

Asciano with Val d'Orcia © Shutterstock

Asciano with Val d'Orcia © Shutterstock

Festivals and events in Italy in September

Whether religious, traditional or cultural, there are literally thousands of festivals in Italy and sometimes the best are those that you come across unexpectedly in smaller towns. Some of the highlights for September are listed below:

  • Venice La Regata di Venezia (first Sun). The annual trial of strength for the city’s gondoliers and other expert rowers; it starts with a procession of historic craft along the Canal Grande.
  • Venice Film Festivals (early Sept). The world’s oldest International Film Festival.
  • Naples Festa di San Gennaro (Sept 19). Festival for the city’s patron saint with crowds gathering in the cathedral to witness the liquefaction of San Gennaro’s blood.

Ready for your dream trip to Italy in September?

Our tailor-made trip service allows you to go on the trip of your dreams without the planning or hassle. All of our planned itineraries are created by local travel experts and can be tailored to meet your specific needs.

  • Classic Italy - Rome, Florence & Venice (13 days): A trip for everyone - learn how to cook pasta in Rome, sample the best gelato in Florence, hike Cinque Terre and explore Venice on your own. This trip is packed with highlights for the whole family.
  • Florence: A Trip Back in Time (5 days): Florence. A mere mention of the name conjures up grand images of Renaissance romance, awe-inspiring art and astonishing architecture. Come and see for yourself.
  • Or discover more Italy itineraries.

written by

updated 06.06.2024

Ready to travel and discover

Get support from our local experts for
stress-free planning & worry-free travels

Plan my trip ⤍