Last updated: August 23, 2025
In September, the average temperature in Colle Santa Lucia, Italy hovers around 10°C (50°F). Expect a range with minimums dipping to -3°C (26°F) and maximums peaking at 21°C (70°F). Be prepared for 160 mm (6.3 in) of precipitation over 17 days, contributing to an average humidity of 83%.
In September in Colle Santa Lucia, the average temperature is 10°C (50°F). The maximum can reach 21°C (70°F), and the minimum can be as low as -3°C (26°F). This mild weather makes it an ideal time for outdoor activities and exploring the local attractions.
In Colle Santa Lucia in September, the precipitation amount is 160 mm (6.3 in) over the course of 17 days.
In Colle Santa Lucia in September, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.
In Colle Santa Lucia 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 Colle Santa Lucia.
UV Risk Categories
Weather in Colle Santa Lucia varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Colle Santa Lucia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 45 mm (1.8 inches) | 93% | low |
| February Weather | -3°C (26°F) | 58 mm (2.3 inches) | 89% | moderate |
| March Weather | -1°C (30°F) | 79 mm (3.1 inches) | 86% | high |
| April Weather | 2°C (36°F) | 128 mm (5.0 inches) | 83% | very high |
| May Weather | 6°C (44°F) | 193 mm (7.6 inches) | 78% | very high |
| June Weather | 12°C (55°F) | 236 mm (9.3 inches) | 79% | very high |
| July Weather | 13°C (56°F) | 251 mm (9.9 inches) | 82% | very high |
| August Weather | 13°C (56°F) | 302 mm (11.9 inches) | 80% | very high |
| September Weather | 10°C (50°F) | 160 mm (6.3 inches) | 83% | high |
| October Weather | 5°C (42°F) | 132 mm (5.2 inches) | 90% | moderate |
| November Weather | 0°C (33°F) | 171 mm (6.7 inches) | 89% | moderate |
| December Weather | -6°C (22°F) | 125 mm (4.9 inches) | 90% | low |