Last updated: August 23, 2025
In San Leonardo, Italy, the average temperature in September hovers around 8°C (47°F). Be prepared for a chill, as the minimum can dip to -7°C (20°F), while warmer days may reach up to 20°C (68°F). Expect about 64 mm (2.5 in) of precipitation spread across 14 days, contributing to an average humidity level of 73%.
In September in San Leonardo, the average temperature is 8°C (47°F). Maximums can reach 20°C (68°F) and minimums can be as low as -7°C (20°F). Be sure to pack layers to comfortably enjoy your travels in this varied climate.
In San Leonardo in September, the precipitation amount is 64 mm (2.5 in) spread out over 14 days.
In San Leonardo in September humidity is 73%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that can make outdoor activities less enjoyable, wrapping you in a thick, misty embrace that weighs heavily on your clothes and skin, making travel seem a bit more cumbersome and less invigorating.
In San Leonardo 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 Leonardo.
UV Risk Categories
Weather in San Leonardo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Leonardo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 114 mm (4.5 inches) | 91% | moderate |
| February Weather | -6°C (22°F) | 79 mm (3.1 inches) | 87% | moderate |
| March Weather | -4°C (25°F) | 106 mm (4.2 inches) | 84% | very high |
| April Weather | 0°C (32°F) | 83 mm (3.3 inches) | 83% | very high |
| May Weather | 4°C (40°F) | 144 mm (5.7 inches) | 78% | very high |
| June Weather | 10°C (50°F) | 104 mm (4.1 inches) | 75% | extreme |
| July Weather | 12°C (55°F) | 98 mm (3.9 inches) | 72% | extreme |
| August Weather | 12°C (54°F) | 101 mm (4.0 inches) | 63% | very high |
| September Weather | 8°C (47°F) | 64 mm (2.5 inches) | 73% | very high |
| October Weather | 4°C (39°F) | 124 mm (4.9 inches) | 89% | high |
| November Weather | -3°C (27°F) | 117 mm (4.6 inches) | 90% | moderate |
| December Weather | -8°C (18°F) | 165 mm (6.5 inches) | 90% | low |