Trieste weather in September
Mild and comfortable, with some rainy days. Average highs of 24°C and lows of 16°C, with around 11 rainy days expected throughout the month.
✦ This is a recommended month to visit Trieste. The combination of weather, atmosphere and experience is at its best.
Average high
24°C
Average low
16°C
Rainy days
11 days
Best months to visit
June, July, August, September
What to do in Trieste in September
Whatever the weather, Trieste rewards curious visitors. Here are some of the best ways to spend your time:
Explore the historic architecture and cultural heritage of Trieste
Hike scenic trails through surrounding natural areas
Experience local cuisine at traditional restaurants and markets
Photograph stunning vistas and charming town scenery
Connect with locals and learn regional customs and traditions
Relax in cafés and embrace the slower pace of life
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
9C
Cold, with some rainy days.
February
10C
Cool, with some rainy days.
March
13C
Cool, with occasional showers.
April
17C
Cool, with some rainy days.
May
21C
Mild and comfortable, with regular rainfall.
Recommended
June
26C
Warm and pleasant, with occasional showers.
Recommended
July
29C
Warm and pleasant, with occasional showers.
Recommended
August
29C
Warm and pleasant, with occasional showers.
Recommended
September (you are here)
24C
Mild and comfortable, with some rainy days.
October
19C
Mild and comfortable, with some rainy days.
November
14C
Cool, with some rainy days.
December
10C
Cool, with some rainy days.
Book your September trip to Trieste
Find hotels, tours and experiences for the perfect escape.
