Last updated: August 23, 2025
In September, the average temperature in Pietraporzio, Italy hovers around 10°C (51°F). During this time, temperatures can dip as low as -3°C (27°F) or reach a pleasant 21°C (71°F). Expect approximately 99 mm (3.9 in) of precipitation spread over 14 days, and a humidity level averaging 73%. Whether you're enjoying the mild temperatures or preparing for rain, be sure to pack accordingly!
In September in Pietraporzio, the average temperature is 10°C (51°F), with maximums reaching up to 21°C (71°F) and minimums dipping as low as -3°C (27°F). Be prepared for a variety of weather conditions if you're planning to visit during this time.
In Pietraporzio in September, the precipitation amount is 99 mm (3.9 in) over the course of 14 days.
In Pietraporzio in September, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.
In Pietraporzio 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 Pietraporzio.
UV Risk Categories
Weather in Pietraporzio varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Pietraporzio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 52 mm (2.0 inches) | 91% | moderate |
| February Weather | -2°C (29°F) | 57 mm (2.3 inches) | 87% | moderate |
| March Weather | -1°C (31°F) | 94 mm (3.7 inches) | 84% | high |
| April Weather | 2°C (36°F) | 105 mm (4.1 inches) | 83% | very high |
| May Weather | 7°C (45°F) | 169 mm (6.6 inches) | 78% | very high |
| June Weather | 12°C (54°F) | 152 mm (6.0 inches) | 75% | extreme |
| July Weather | 14°C (58°F) | 115 mm (4.5 inches) | 72% | very high |
| August Weather | 15°C (58°F) | 80 mm (3.1 inches) | 63% | very high |
| September Weather | 10°C (51°F) | 99 mm (3.9 inches) | 73% | very high |
| October Weather | 6°C (44°F) | 123 mm (4.8 inches) | 89% | high |
| November Weather | 0°C (32°F) | 132 mm (5.2 inches) | 90% | moderate |
| December Weather | -4°C (25°F) | 114 mm (4.5 inches) | 90% | low |