September weather forecast
Tunis, Tunisia

September shows signs of relief from the searing summer months as the temperatures start to recede. An increased total rainfall of 33mm (1.3") indicates the transition from the arid summer to the milder autumn season. A reduced UV index of 7 means less intense solar radiation, lowering the chances of sunburn. Despite the decline in sea temperature, water activities remain a popular choice till month-end. Tunis in September offers a balance between summer warmth and autumn coolness, making it a pleasant time to visit.

Temperature

Tunis's weather subtly changes with the onset of September, barely falling from 34.4°C (93.9°F) in August to a still tropical 30.2°C (86.4°F). In Tunis, the expected average low-temperature for September is a pleasant 20.7°C (69.3°F).

Rainfall

In September, the rain falls for 4 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, in Tunis, there are 65 rainfall days, and 466mm (18.35") of precipitation is accumulated.

Sea temperature

In Tunis, the average seawater temperature in September is 25°C (77°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

In Tunis, the average length of the day in September is 12h and 25min.
On the first day of September in Tunis, sunrise is at 05:50 and sunset at 18:47. On the last day of the month, sunrise is at 06:14 and sunset at 18:04 CET.

Sunshine

In Tunis, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Tunis, Tunisia, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert! The reflection of water and sand augments UV radiation intensity.