Last updated: August 23, 2025
In September, the average temperature in San Pietro in Cerro, Italy hovers around 21°C (69°F). The weather can be quite variable, with minimum temperatures dropping to 7°C (46°F) and soaring to a maximum of 33°C (92°F). During this month, expect about 102 mm (4.0 in) of precipitation spread over 10 days, contributing to an average humidity of 74%.
In September in San Pietro in Cerro, the average temperature is 21°C (69°F). Maximums can reach 33°C (92°F), while minimums can be as low as 7°C (46°F). This makes San Pietro in Cerro a great destination for travelers seeking pleasant weather with a mix of warm and cooler days.
In San Pietro in Cerro in September, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.
In San Pietro in Cerro in September, humidity is 74%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace that clings to your skin, making every excursion feel slightly more intense and requiring a bit more effort with every step.
In San Pietro in Cerro in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Pietro in Cerro, you can refer to this Hourly UV Index in San Pietro in Cerro.
UV Risk Categories
Weather in San Pietro in Cerro 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 Cerro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 26 mm (1.0 inches) | 88% | low |
| February Weather | 7°C (44°F) | 57 mm (2.2 inches) | 81% | moderate |
| March Weather | 10°C (50°F) | 52 mm (2.1 inches) | 76% | moderate |
| April Weather | 14°C (57°F) | 72 mm (2.8 inches) | 77% | high |
| May Weather | 18°C (65°F) | 104 mm (4.1 inches) | 74% | very high |
| June Weather | 24°C (75°F) | 54 mm (2.1 inches) | 71% | very high |
| July Weather | 26°C (78°F) | 78 mm (3.1 inches) | 67% | very high |
| August Weather | 26°C (79°F) | 69 mm (2.7 inches) | 64% | very high |
| September Weather | 21°C (69°F) | 102 mm (4.0 inches) | 74% | high |
| October Weather | 15°C (59°F) | 75 mm (2.9 inches) | 87% | moderate |
| November Weather | 10°C (50°F) | 122 mm (4.8 inches) | 88% | moderate |
| December Weather | 5°C (40°F) | 91 mm (3.6 inches) | 85% | low |