September weather forecast
Porto Rafael, Italy

The first month of the autumn, September, is still a warm month in Porto Rafael, Italy, with an average temperature varying between 18°C (64.4°F) and 25°C (77°F).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 28°C (82.4°F) in August to a still warm 25°C (77°F). In Porto Rafael, an average nighttime temperature of 18°C (64.4°F) is expected during September.

Rainfall

In September, the rain falls for 8 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 130 rainfall days, and 509mm (20.04") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 23°C (73.4°F).
Note: For someone sensitive to cold, swimming in 23°C (73.4°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September, sunrise is at 06:49 and sunset at 19:55. On the last day of the month, sunrise is at 07:18 and sunset at 19:06 CEST.

Sunshine

The average sunshine in September is 8h.

UV index

In Porto Rafael, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 6 in September leads to these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Attention! The reflection of both water and sand can increase the intensity of UV rays.