Last updated: August 23, 2025
In September, the average temperature in San Pietro, Italy is a pleasant 20°C (68°F). Expect variations, as temperatures can dip to a minimum of 6°C (44°F) and soar to a maximum of 32°C (91°F). With 102 mm (4.0 in) of precipitation spread over 9 days, it's wise to be prepared for occasional rain. The average humidity during this month is 66%, adding to the overall climate experience.
In September in San Pietro, the average temperature is 20°C (68°F). The maximum can reach 32°C (91°F) and the minimum can be as low as 6°C (44°F). This variety in temperature makes it a perfect time for travelers to enjoy both warm and cooler activities.
In San Pietro in September, the total precipitation amount is 102 mm (4.0 in) over a span of 9 days.
In San Pietro in September, humidity is 66%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially a bit sticky, so travelers should stay hydrated and consider light, breathable clothing for comfort.
In San Pietro in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Pietro.
UV Risk Categories
Weather in San Pietro varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Pietro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 54 mm (2.1 inches) | 84% | low |
| February Weather | 7°C (45°F) | 73 mm (2.9 inches) | 76% | moderate |
| March Weather | 9°C (48°F) | 82 mm (3.2 inches) | 68% | high |
| April Weather | 12°C (54°F) | 74 mm (2.9 inches) | 70% | high |
| May Weather | 17°C (62°F) | 79 mm (3.1 inches) | 69% | very high |
| June Weather | 22°C (72°F) | 48 mm (1.9 inches) | 62% | very high |
| July Weather | 25°C (76°F) | 37 mm (1.5 inches) | 57% | very high |
| August Weather | 25°C (77°F) | 42 mm (1.7 inches) | 55% | very high |
| September Weather | 20°C (68°F) | 102 mm (4.0 inches) | 66% | high |
| October Weather | 15°C (59°F) | 85 mm (3.3 inches) | 79% | moderate |
| November Weather | 11°C (52°F) | 130 mm (5.1 inches) | 84% | moderate |
| December Weather | 7°C (44°F) | 126 mm (4.9 inches) | 83% | low |