Last updated: August 23, 2025
In September, the average temperature in Collefontana-Fontana Liri Inferiore, Italy hovers around 20°C (69°F), with a comfortable humidity level of 65%. Expect a minimum temperature of 7°C (44°F) and a maximum reaching up to 32°C (90°F). However, be prepared for some rain, as this month typically sees 99 mm (3.9 in) of precipitation over 10 days.
In September in Collefontana-Fontana Liri Inferiore, the average temperature is 20°C (69°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop as low as 7°C (44°F). This makes Collefontana-Fontana Liri Inferiore an ideal destination for travelers seeking a mix of warm days and cooler nights.
In Collefontana-Fontana Liri Inferiore in September, the total precipitation amount is 99 mm (3.9 in) spread over a period of 10 days.
In Collefontana-Fontana Liri Inferiore in September, humidity is 65%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, creating a sticky atmosphere that can be quite oppressive for traveling, making every step feel heavier and the air thick with moisture.
In Collefontana-Fontana Liri Inferiore 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 Collefontana-Fontana Liri Inferiore.
UV Risk Categories
Weather in Collefontana-Fontana Liri Inferiore varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Collefontana-Fontana Liri Inferiore, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 85 mm (3.3 inches) | 84% | moderate |
| February Weather | 7°C (46°F) | 120 mm (4.7 inches) | 76% | moderate |
| March Weather | 9°C (48°F) | 111 mm (4.4 inches) | 69% | high |
| April Weather | 12°C (54°F) | 90 mm (3.6 inches) | 70% | very high |
| May Weather | 16°C (62°F) | 91 mm (3.6 inches) | 70% | very high |
| June Weather | 21°C (71°F) | 57 mm (2.2 inches) | 61% | very high |
| July Weather | 24°C (76°F) | 35 mm (1.4 inches) | 57% | very high |
| August Weather | 25°C (77°F) | 20 mm (0.8 inches) | 53% | very high |
| September Weather | 20°C (69°F) | 99 mm (3.9 inches) | 65% | very high |
| October Weather | 15°C (59°F) | 116 mm (4.6 inches) | 75% | high |
| November Weather | 11°C (53°F) | 263 mm (10.3 inches) | 81% | moderate |
| December Weather | 7°C (45°F) | 199 mm (7.8 inches) | 84% | low |