Viterbo Weather in September

September in Viterbo brings high temperatures, with daytime highs of 26°C (79°F) and nights around 16°C (61°F). Quite a bit of rainfall is expected, around 102 mm (4 in), so pack an umbrella.

Rainfall in Viterbo in September

This month experiences about 9 days of rain according to historical data, averaging 102 mm (4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Viterbo in September

September in Viterbo brings typical temperatures with highs around 26°C (79°F) and lows of 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 16°C (61°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Viterbo in September

Expect sunny days throughout the month, with an estimated 237 hours of sunshine. This makes it a pleasant time to visit Viterbo.

If you prefer enjoying temperate temperatures and rain-free days, May and June typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Viterbo Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 31%  

Precipitation 102 mm (4 in)  

Rainy days 9 days  

Humidity 75% *  

Sunshine 237 hours *  

Percentage Sunshine *  

* Data from: Rome, Italy (69 KM, 43 Miles).

What to Wear in Viterbo in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Viterbo in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Viterbo's climate page.

More climate data for Viterbo

Temperature Rainfall Sunshine Humidity

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