Trieste Weather in September
Italy · 30-year monthly averages
🌟 Great time to visit
September in Trieste is pleasantly warm, with average daytime highs around 24°C (76°F) and nighttime lows near 17°C (63°F). Expect roughly 108mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
Avg high
24°C
76°F
Avg low
17°C
63°F
Rainfall
108mm
moderate
Rainy days
8
days with ≥1mm
☀️ About 202 hours of sunshine over the month (~7h/day).
🎒 What to pack
- light layers
- comfortable walking shoes
September vs the rest of the year
FAQ
- How hot is Trieste in September?
- September in Trieste is pleasantly warm, with average daytime highs around 24°C (76°F) and nighttime lows near 17°C (63°F). Expect roughly 108mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
- Does it rain a lot in Trieste in September?
- Trieste sees around 108mm of precipitation in September on average — moderate by global standards.
- Is September a good time to visit Trieste?
- September is one of the best months to visit Trieste — comfortable temperatures and manageable rainfall.