Last updated: August 23, 2025
In September, the average temperature in Castelnuovo Don Bosco, Italy is a comfortable 21°C (69°F). However, be prepared for a range, as temperatures can drop to a chilly 6°C (44°F) at night or soar up to a warm 32°C (90°F) during the day. Expect about 54 mm (2.1 in) of precipitation over 9 days, with an average humidity of 74%, providing a lush backdrop to your stay.
In September in Castelnuovo Don Bosco, the average temperature is 21°C (69°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 6°C (44°F). This makes Castelnuovo Don Bosco a great destination for travelers looking to enjoy mild and comfortable weather during this time.
In Castelnuovo Don Bosco in September, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.
In Castelnuovo Don Bosco in September, humidity is 74%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace that clings to your skin, making every excursion feel slightly more intense and requiring a bit more effort with every step.
In Castelnuovo Don Bosco 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 Castelnuovo Don Bosco.
UV Risk Categories
Weather in Castelnuovo Don Bosco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Castelnuovo Don Bosco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 45 mm (1.8 inches) | 88% | low |
| February Weather | 6°C (44°F) | 39 mm (1.5 inches) | 81% | moderate |
| March Weather | 10°C (49°F) | 54 mm (2.1 inches) | 76% | moderate |
| April Weather | 14°C (57°F) | 85 mm (3.3 inches) | 77% | high |
| May Weather | 18°C (64°F) | 113 mm (4.5 inches) | 74% | very high |
| June Weather | 23°C (74°F) | 81 mm (3.2 inches) | 71% | very high |
| July Weather | 25°C (78°F) | 70 mm (2.8 inches) | 67% | very high |
| August Weather | 25°C (78°F) | 45 mm (1.8 inches) | 64% | very high |
| September Weather | 21°C (69°F) | 54 mm (2.1 inches) | 74% | high |
| October Weather | 15°C (59°F) | 85 mm (3.4 inches) | 87% | moderate |
| November Weather | 9°C (49°F) | 142 mm (5.6 inches) | 88% | moderate |
| December Weather | 4°C (39°F) | 56 mm (2.2 inches) | 85% | low |