Last updated: August 23, 2025
In Acilia-Castel Fusano-Ostia Antica, Italy, the average temperature in September is a pleasant 23°C (73°F). Visitors can expect temperatures to range from a minimum of 14°C (57°F) to a maximum of 28°C (83°F). During this month, the region typically experiences 94 mm (3.7 in) of precipitation over 9 days, with an average humidity level of 71%. Perfect for those who enjoy a mild climate!
In September in Acilia-Castel Fusano-Ostia Antica, the average temperature is 23°C (73°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as 14°C (57°F). This pleasant climate makes it an ideal time for travelers to explore the sights and enjoy outdoor activities.
In Acilia-Castel Fusano-Ostia Antica in September, the precipitation amount reaches 94 mm (3.7 in) over the course of 9 days.
In Acilia-Castel Fusano-Ostia Antica in September humidity is 71%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor exploration slightly uncomfortable but still manageable if you stay hydrated and plan for breaks in shaded areas.
In Acilia-Castel Fusano-Ostia Antica 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 Acilia-Castel Fusano-Ostia Antica.
UV Risk Categories
Weather in Acilia-Castel Fusano-Ostia Antica varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Acilia-Castel Fusano-Ostia Antica, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (51°F) | 80 mm (3.2 inches) | 80% | moderate |
| February Weather | 12°C (53°F) | 81 mm (3.2 inches) | 73% | moderate |
| March Weather | 12°C (54°F) | 75 mm (3.0 inches) | 69% | moderate |
| April Weather | 14°C (58°F) | 50 mm (2.0 inches) | 74% | high |
| May Weather | 18°C (64°F) | 54 mm (2.1 inches) | 76% | very high |
| June Weather | 22°C (72°F) | 16 mm (0.6 inches) | 73% | very high |
| July Weather | 25°C (77°F) | 17 mm (0.7 inches) | 70% | very high |
| August Weather | 26°C (78°F) | 13 mm (0.5 inches) | 68% | very high |
| September Weather | 23°C (73°F) | 94 mm (3.7 inches) | 71% | high |
| October Weather | 19°C (67°F) | 96 mm (3.8 inches) | 76% | high |
| November Weather | 16°C (61°F) | 210 mm (8.3 inches) | 79% | moderate |
| December Weather | 12°C (55°F) | 155 mm (6.1 inches) | 77% | low |