September weather forecastTripoli, Libya

Weather in September

September signals the beginning of autumn in Tripoli, bringing about a moderate change in the weather. Temperatures start to fall slightly, but the month is still quite warm. September sees a minor increase in rainfall to 9mm (0.35"), thus breaking the summer dry spell. Hours of sunlight begin their gradual decline as we move further into fall. The UV index also reduces to moderate levels at 8, renouncing the summer peaks.

Temperature

Tripoli's average high-temperature in September sits at a still tropical 32°C (89.6°F), showing little difference from the previous month. An average low-temperature of 21°C (69.8°F) marks the month of September.

Rainfall

Months with rainfall in Tripoli are January through June, September through December. September is the first month it rains. Throughout September, in the average 1 rainfall days, it receives 9mm (0.35") of precipitation. Throughout the year, there are 43 rainfall days, and 288mm (11.34") of precipitation is accumulated.

Sea temperature

In Tripoli, in September, the average water temperature is 26°C (78.8°F).
Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 06:42 and sunset at 19:32. On the last day of September, sunrise is at 07:01 and sunset at 18:53 EET.

Sunshine

In Tripoli, the average sunshine in September is 9h.

UV index

In Tripoli, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 8 during September morphs into the following directions:
Protection should always be a priority. Skin and eyes are vulnerable without it. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.