September weather forecastNabeul, Tunisia
September
Weather in September
As summer gives way to fall in September, Nabeul's weather begins a gentle descent towards cooler climes. Despite the decline in temperature, the sea still retains much of its summer warmth at 25.5°C (77.9°F), inviting for a dip. Rain begins to reappear within the weather pattern, albeit in minimal amounts, restoring the town's lush greenery. Shortened daylight does not deter outdoor activities, with most taking advantage of the milder conditions to explore the town's cultural heritage.Temperature
In Nabeul, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's hot 32°C (89.6°F) to a warm 29°C (84.2°F). September in Nabeul is noted for a mean low-temperature of 20°C (68°F).Rainfall
In Nabeul, Tunisia, during September, the rain falls for 4 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 75 rainfall days, and 412mm (16.22") of precipitation is accumulated.Sea temperature
In September, the average sea temperature is 25.5°C (77.9°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
In September, the average length of the day in Nabeul is 12h and 25min.On the first day of September, sunrise is at 05:48 and sunset at 18:45. On the last day of the month, sunrise is at 06:11 and sunset at 18:02 CET.
Sunshine
The average sunshine in September in Nabeul is 9h.UV index
In Nabeul, Tunisia, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nabeul, Tunisia
- Average high temperature in September: 29°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (16°C).
- Average low temperature in September: 20°C
The month with the highest average low temperature is August (22°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average rainfall in September
Nabeul, Tunisia
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is October (61mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Nabeul, Tunisia
- Average rainfall days in September: 4 days
The months with the highest number of rainy days are January and December (10 days).
The month with the least rainy days is July (1 days).
Average sea temperature in September
Nabeul, Tunisia
- Average sea temperature in September: 25.5°C
The best month for swimming (with the highest average sea temperature) is August (26.4°C).
The coldest month (with the lowest average sea temperature) is February (14.6°C).
Average daylight in September /
Average sunshine in September
Nabeul, Tunisia
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h
The months with the most sunshine are July and August (Average sunshine: 11h).
The months with the least sunshine are January and December (Average sunshine: 5h).
Average UV index in September
Nabeul, Tunisia
- Average UV index in September: 7
The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).





