September weather forecast
Porto Rafael, Italy

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

Temperature

With the onset of September, Porto Rafael experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 28°C (82.4°F) in August to a still moderately hot 25°C (77°F). Porto Rafael, during the nights of September, experiences an average temperature drop to an enjoyable 18°C (64.4°F).

Rainfall

In Porto Rafael, in September, during 8 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Porto Rafael, Italy, during the entire year, the rain falls for 130 days and collects up to 509mm (20.04") of precipitation.

Sea temperature

In September, the average sea temperature in Porto Rafael is 23°C (73.4°F).
Note: Factor in your tolerance to cold, the sunshine, the wind, and the air's warmth, and a swim in 23°C (73.4°F) might be tempting. It is interesting to note that Olympians compete in 25°C (77°F) to 28°C (82.4°F) water temperatures.

Daylight

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

Sunshine

In September, the average sunshine is 8h.

UV index

In Porto Rafael, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Attention! UV radiation is markedly stronger with water and sand reflections.