Weather in Trieste in September
Trieste, Italy averages a high of 22.6°C (72.7°F) and low of 15.2°C (59.4°F) in September, with 11 rain days and 9.9 hours of daily sunshine. Travel score: 80.6/100 (Excellent). The best time to visit Trieste is July.
High
23°C73°F
Low
15°C59°F
🌧️
11
rain days
☀️
9.9
hrs/day sunshine
💧
73%
humidity
81— Excellent
September in Trieste is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Trieste?
How much does it rain in Trieste in September?
Trieste receives an average of 165.1mm of rainfall across 11 rainy days in September. The annual total is 1449.2mm.
What should I pack for Trieste in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 23°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting Italy in September?
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Data based on 1994–2024 averages · Last updated: 2024-12-31