September weather forecast
Portopalo di Capo Passero, Italy

The first month of the autumn, September, is also a moderately hot month in Portopalo di Capo Passero, Italy, with temperature in the range of an average high of 27.6°C (81.7°F) and an average low of 20.7°C (69.3°F).
The perfect water temperature of 25.4°C (77.7°F) with 40mm (1.57") of accumulated rainfall and only 3.3 rainfall days, makes September a great period for swimming and other water activities.

Temperature

Upon the onset of September, Portopalo di Capo Passero witnesses an average high-temperature of a moderately hot 27.6°C (81.7°F), showing a close resemblance to the prior month. Throughout the month of September, Portopalo di Capo Passero witnesses an average low-temperature of 20.7°C (69.3°F).

Heat index

The heat index value during September is evaluated at a hot 30°C (86°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in September is 72%.

Rainfall

In Portopalo di Capo Passero, Italy, during September, the rain falls for 3.3 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, in Portopalo di Capo Passero, there are 50.9 rainfall days, and 484mm (19.06") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 25.4°C (77.7°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

In September, the average length of the day in Portopalo di Capo Passero is 12h and 25min.
On the first day of September in Portopalo di Capo Passero, sunrise is at 06:30 and sunset at 19:27. On the last day of the month, sunrise is at 06:54 and sunset at 18:44 CEST.