The 10 most beautiful historical towns in Italy
Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.
Trevi Weather in September
In Trevi, September brings high daytime temperatures around 24°C (75°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.
Rainfall in Trevi in September
Looking at the last 30 years, the data shows about 10 days with rain, averaging 70 mm (2.8 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Trevi in September
September is one of the better months to visit Trevi. Expect 24°C (75°F) during the day and 13°C (55°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Trevi in September
There are approximately 198 hours of sunshine this month, resulting in mostly clear days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Trevi.
Trevi Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
24°C (75°F)
Chance of Rain
33%
Precipitation
70 mm (2.8 in)
Rainy days
10 days
Humidity
71% *
Sunshine
198 hours *
Percentage Sunshine
53% *
* Data from: Perugia, Italy (30 KM, 18 Miles).
Trevi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trevi - and find the best time to visit.
Best Places in Italy in September
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Trevi in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Trevi in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Trevi 3-Day Forecast
More climate data for Trevi
Temperature Rainfall Sunshine Humidity
See the full Trevi climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
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The 10 most beautiful historical towns in Italy
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