September weather forecast
Bizerte, Tunisia

September heralds the arrival of autumn in Bizerte, with a gradual shift in weather conditions. Standout changes include the drop in average sea temperatures to 24.3°C (75.7°F), signaling an end to the intense summer heat. The daylight hours shorten, hinting at the approaching winter. However, despite these changes, September remains an excellent month for swimming, sunbathing, and enjoying the last vestiges of summer.

Temperature

The advent of September reveals an average high-temperature of a warm 29.3°C (84.7°F), showing minimal difference from the prior month. Bizerte's nighttime temperature during September is consistently averaged at an enjoyable 19.1°C (66.4°F).

Rainfall

In Bizerte, in September, it is raining for 6 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 101 rainfall days, and 527mm (20.75") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 24.3°C (75.7°F).
Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 24.3°C (75.7°F) waters might be just right. Remember, Olympic swimmers are used to waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

In Bizerte, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 05:51 and sunset at 18:49. On the last day of the month, sunrise is at 06:15 and sunset at 18:05 CET.

Sunshine

In Bizerte, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index in Bizerte is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 7 during September leads to these advisories:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! UV strength is notably upped by the reflection of sand and water.