The first month of the autumn, September
, is still a hot month in Tripoli
, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 30°C (86°F).
An excellent water temperature of 28°C (82.4°F) and only 1 rainfall days, with 12mm (0.47") of accumulated rainfall, makes September a prime for swimming and other water activities.
The warmest months in Tripoli are August
and September, with an average high-temperature of 30°C (86°F).
The average heat index is estimated at a tropical 34.8°C (94.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.Note
: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, clothing, pregnancy, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
In September, the average relative humidity is 69%.
Months with rainfall in Tripoli are January
, September through December
. September is the first month it rains. Throughout September, in the average 1 rainfall days, it receives 12mm (0.47") of precipitation. In Tripoli, during the entire year, the rain falls for 82 days and collects up to 745mm (29.33") of precipitation.
In September, the average sea temperature is 28°C (82.4°F).Note
: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
In Tripoli, the average length of the day in September is 12.4h.
In Tripoli, the average sunshine in September is 10h.
The average daily maximum UV index in Tripoli is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV rays for the ordinary person.Note
: The average daily UV index of 8 transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.