September weather forecast
Quinta do Lago, Portugal

September in Quinta do Lago is characterized by gradual easing from the scorching peak summer towards a more moderate climate. The decline in temperatures becomes noticeable, nonetheless maintaining the warmth conducive for outdoor activities. Although rainfall shows a slight increase from August, the clear skies dominate most of the days. The beach waters continue to hold on to the warmth of the summer, providing ample opportunity for a dip in the sea.

Temperature

Quinta do Lago, Portugal, starts September with an average high-temperature of a still warm 27°C (80.6°F), hinting at a minimal fluctuation from August. Quinta do Lago, during September, witnesses an average low-temperature of 17°C (62.6°F).

Rainfall

In September, the rain falls for 2 days. Throughout September, 15mm (0.59") of precipitation is accumulated. In Quinta do Lago, during the entire year, the rain falls for 77 days and collects up to 557mm (21.93") of precipitation.

Sea temperature

August and September, with an average sea temperature of 21°C (69.8°F), are months with the warmest seawater in Quinta do Lago.
Note: The majority of people do not enjoy swimming in 21°C (69.8°F). The difficulty in controlling breathing escalates as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 07:03 and sunset at 20:00. On the last day of September, in Quinta do Lago, sunrise is at 07:27 and sunset at 19:16 WEST.

Sunshine

In September, the average sunshine is 9h.

UV index

In September, the average daily maximum UV index in Quinta do Lago is 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.