Last updated: August 23, 2025
In September, the average temperature in San Pietro in Valle, Italy hovers around 18°C (64°F). Expect a minimum of 6°C (44°F) and a comfortable maximum reaching 29°C (84°F). This month, you can anticipate 68 mm (2.7 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 65%. Stay prepared for a mix of mild weather and occasional rain!
In September in San Pietro in Valle, the average temperature is 18°C (64°F). The maximum can reach 29°C (84°F), while the minimum can be as low as 6°C (44°F). This mild climate makes San Pietro in Valle an ideal destination for travelers looking to enjoy outdoor activities and explore the local attractions.
In San Pietro in Valle in September, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.
In San Pietro in Valle in September, humidity is 65%. With an average temperature of 18°C (64°F), this humidity feels like a slightly muggy embrace, making outdoor exploration enjoyable but requiring a light jacket and frequent hydration breaks.
In San Pietro in Valle in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Pietro in Valle.
UV Risk Categories
Weather in San Pietro in Valle varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Pietro in Valle, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 80 mm (3.1 inches) | 84% | moderate |
| February Weather | 6°C (42°F) | 103 mm (4.1 inches) | 76% | moderate |
| March Weather | 7°C (44°F) | 92 mm (3.6 inches) | 69% | high |
| April Weather | 10°C (50°F) | 79 mm (3.1 inches) | 70% | very high |
| May Weather | 14°C (58°F) | 100 mm (3.9 inches) | 70% | very high |
| June Weather | 19°C (67°F) | 65 mm (2.6 inches) | 61% | very high |
| July Weather | 22°C (71°F) | 52 mm (2.0 inches) | 57% | very high |
| August Weather | 23°C (73°F) | 38 mm (1.5 inches) | 53% | very high |
| September Weather | 18°C (64°F) | 68 mm (2.7 inches) | 65% | very high |
| October Weather | 13°C (56°F) | 87 mm (3.4 inches) | 75% | high |
| November Weather | 9°C (49°F) | 178 mm (7.0 inches) | 81% | moderate |
| December Weather | 5°C (42°F) | 128 mm (5.0 inches) | 84% | low |