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.

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• January
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For a detailed overview over the year and the best time to visit Italy, check out our Trevi's climate page.

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).

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.

Swimming

7/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Trevi's climate page.

More climate data for Trevi

Temperature Rainfall Sunshine Humidity

See the full Trevi climate overview or explore weather in Italy.