September weather forecast
Ischia, Italy

September offers an idyllic weather balance as Ischia transitions from summer to autumn. Characterized by pleasantly warm days and cooler nights, it remains a perfect time for exploration. Rainfall increases to 73mm (2.87") in comparison to August, signalling the onset of the wetter seasons. The island bursts into a palette of colours, making it a delightful month for planning a visit.

Temperature

The onset of September in Ischia manifests an average high-temperature of a still warm 27°C (80.6°F), demonstrating a minor variation from the preceding month. During the month of September, Ischia anticipates a mean low-temperature of 16°C (60.8°F).

Rainfall

In Ischia, in September, during 9 rainfall days, 73mm (2.87") of precipitation is typically accumulated. Throughout the year, in Ischia, Italy, there are 133 rainfall days, and 887mm (34.92") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 24.8°C (76.6°F).
Note: Imagine a swim in 24.8°C (76.6°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in September in Ischia is 12h and 28min.
On the first day of September in Ischia, sunrise is at 06:31 and sunset at 19:36. On the last day of the month, sunrise is at 07:00 and sunset at 18:47 CEST.

Sunshine

The average sunshine in September is 8h.

UV index

In Ischia, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 6 in September leads to these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection of sand and water increases the UV dose.