Last updated: August 23, 2025
In September, the average temperature in Castiglione Messer Marino, Italy is a mild 18°C (64°F), with temperatures ranging from a cool 5°C (41°F) to a warm 30°C (86°F). Expect an average precipitation of 56 mm (2.2 in) spread over 8 days, while the average humidity sits at a comfortable 65%.
In September, in Castiglione Messer Marino, the average temperature is 18°C (64°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can drop as low as 5°C (41°F). Layered clothing is recommended for travelers to accommodate the varying temperatures throughout the day.
In Castiglione Messer Marino in September, the precipitation amount is 56 mm (2.2 in) over the course of 8 days.
In Castiglione Messer Marino in September, humidity is 65%. With an average temperature of 18°C (64°F), this humidity feels like a slightly muggy embrace, making outdoor exploration enjoyable but requiring a light jacket and frequent hydration breaks.
In Castiglione Messer Marino 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 Castiglione Messer Marino.
UV Risk Categories
Weather in Castiglione Messer Marino varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Castiglione Messer Marino, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 77 mm (3.0 inches) | 84% | moderate |
| February Weather | 6°C (42°F) | 83 mm (3.3 inches) | 76% | moderate |
| March Weather | 6°C (44°F) | 86 mm (3.4 inches) | 69% | high |
| April Weather | 10°C (50°F) | 75 mm (2.9 inches) | 70% | very high |
| May Weather | 14°C (58°F) | 101 mm (4.0 inches) | 70% | very high |
| June Weather | 19°C (67°F) | 49 mm (1.9 inches) | 61% | very high |
| July Weather | 22°C (71°F) | 54 mm (2.1 inches) | 57% | very high |
| August Weather | 22°C (73°F) | 37 mm (1.5 inches) | 53% | very high |
| September Weather | 18°C (64°F) | 56 mm (2.2 inches) | 65% | very high |
| October Weather | 13°C (56°F) | 85 mm (3.3 inches) | 75% | high |
| November Weather | 9°C (49°F) | 142 mm (5.6 inches) | 81% | moderate |
| December Weather | 5°C (42°F) | 89 mm (3.5 inches) | 84% | low |