September weather forecast
Sousse, Tunisia

With the arrival of September, Sousse witnesses a slight retreat in temperatures, settling between 19.9°C (67.8°F) and 30.2°C (86.4°F). The city greets autumn with an increase in rainfall, measuring 35mm (1.38") across 4 days. As the summer freakishness subsides, a more pleasant weather takes over. The relaxed temperatures coupled with littoral attractions make it a favorite among those looking for a mild-weather getaway.

Temperature

September's advent notes a subtle adjustment in average high-temperature to a still tropical 30.2°C (86.4°F) from August. Throughout the nights in September, Sousse experiences an average low-temperature of 19.9°C (67.8°F).

Rainfall

In Sousse, during September, the rain falls for 4 days and regularly aggregates up to 35mm (1.38") of precipitation. In Sousse, during the entire year, the rain falls for 59 days and collects up to 354mm (13.94") of precipitation.

Sea temperature

In September, the average sea temperature in Sousse, Tunisia, is 25.8°C (78.4°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is perceived as agreeably warm, making all water activities enjoyable without the risk of discomfort over lengthy durations.

Daylight

In Sousse, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 05:49 and sunset at 18:44. On the last day of September, in Sousse, Tunisia, sunrise is at 06:12 and sunset at 18:02 CET.

Sunshine

In Sousse, Tunisia, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September in Sousse, Tunisia, is 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Watch out! Sand and water enhance the UV exposure you receive.