September Weather in Sfax, Tunisia

Last updated: August 31, 2025

In September, the average temperature in Sfax, Tunisia is a warm 27°C (81°F). Expect a comfortable minimum of 19°C (67°F) and the possibility of highs reaching up to 38°C (100°F). During this time, the region experiences an average precipitation of 21 mm (0.8 in) spread over about 4 days, coupled with an average humidity of 68%. Enjoy the warm, humid days!

September Temperature in Sfax

In September in Sfax, the average temperature is 27°C (81°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 19°C (67°F). This makes Sfax an ideal destination for travelers seeking warm and pleasant weather during this time of year.

September Weather in Sfax: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sfax, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sfax, September typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 19°C (67°F).

Data source: Temperature data for Sfax generated using information from the Copernicus Climate Change Service.

September Precipitation in Sfax

In Sfax in September, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

September Precipitation Trends in Sfax

The chart displays monthly precipitation patterns in Sfax, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Sfax, September typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Sfax

In Sfax in September, humidity is 68%. With an average temperature of 27°C (81°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor activities a bit uncomfortable but great for enjoying the local culture while sampling refreshing drinks and seeking shade.

September Average Humidity in Sfax

This chart illustrates the average monthly humidity levels in Sfax, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Sfax is approximately 68%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sfax

In Sfax in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sfax.

Maximum UV Index Levels in Sfax for September

The chart shows the monthly maximum UV Index (UVI) for Sfax in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Sfax typically reaches 8, which falls under the very high exposure category.

Data source: Sfax September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Sfax Compares to Other Months

Weather in Sfax varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sfax, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sfax, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	9 mm (0.3 inches)	68%	moderate
February Weather	14°C (57°F)	17 mm (0.7 inches)	67%	moderate
March Weather	16°C (60°F)	22 mm (0.9 inches)	67%	high
April Weather	18°C (65°F)	14 mm (0.6 inches)	67%	very high
May Weather	22°C (71°F)	5 mm (0.2 inches)	65%	very high
June Weather	25°C (78°F)	1 mm (0.1 inches)	63%	extreme
July Weather	28°C (84°F)	0 mm (0.0 inches)	60%	extreme
August Weather	29°C (85°F)	10 mm (0.4 inches)	61%	very high
September Weather	27°C (81°F)	21 mm (0.8 inches)	68%	very high
October Weather	23°C (73°F)	27 mm (1.1 inches)	68%	high
November Weather	18°C (65°F)	27 mm (1.1 inches)	65%	moderate
December Weather	14°C (58°F)	9 mm (0.4 inches)	67%	moderate