September weather forecastByblos, Lebanon

Weather in September

September marks the beginning of autumn in Byblos with temperatures showing a slight fall. Unlike August, it experiences a small amount of rainfall charting at 2mm (0.08"). This period sees a gradual decrease in sea temperatures, marking the end of beach season. The drop in UV index signifies lower sunlight intensity, but still requires some degree of sun protection. Even with these changes, the weather continues to be warm enough for outdoor activities.

Temperature

At the onset of September, Byblos records an average high-temperature of a still warm 27°C (80.6°F), showing little deviation from the preceding month. Byblos's nights during September are marked by a pronounced drop from daytime temperatures, experiencing an average low of 14°C (57.2°F).

Rainfall

Months with rainfall are January through June, September through December. September is the first month it rains. Throughout September, in the average 1 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, there are 81 rainfall days, and 733mm (28.86") of precipitation is accumulated.

Sea temperature

In Byblos, in September, the average water temperature is 28°C (82.4°F).
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In Byblos, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 06:11 and sunset at 19:03. On the last day of September, sunrise is at 06:31 and sunset at 18:23 EEST.

Sunshine

The average sunshine in September in Byblos is 10h.

UV index

The average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 8 in September converts into the following recommendations:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.