September · Italy
Best time to visit Orvieto in September Weather, crowds & prices
Weather in Orvieto in September
Average temperature 21°C, 79 mm of rain, about 17 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.3/10
Ranked #4 of 12 months
- Avg temp
- 21°C
- Rainfall
- 79 mm
- Humidity
- 69%
- Days with 6h+ sun
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Orvieto scores 8.3/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 21°C, 79 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Orvieto sits on a volcanic tuff plateau with a striped Gothic cathedral and an underground labyrinth of caves. Best window: April-June and September-October.
September in Orvieto: strong conditions, 4th of 12
September averages 21°C (70°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 79 mm, so plan one flexible day in three; you still get about 17 days with 6+ hours of sunshine and 12.3 hours of daylight.
It scores 8.3/10 here, 4th of 12 months, against 9.7/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Orvieto in September?
- In September, Orvieto averages 21°C, 79 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is September a good time to visit Orvieto?
- September earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Orvieto in September?
- Expect about 79 mm of rain in September. Average humidity is 69% and there are about 17 days with 6+ hours of sunshine.
Curated in Orvieto
Tickets & experiences
Things to do in Orvieto
Orvieto, Italy. Live activities and tours from GetYourGuide, matched to this destination.