September Weather in Sidi Bou Ali, Tunisia

Last updated: August 31, 2025

In Sidi Bou Ali, Tunisia, the average temperature in September hovers around 26°C (79°F). Expect a comfortable range where the minimum can drop to 18°C (65°F) while the maximum peaks at a warm 36°C (98°F). During this period, rainfall totals about 36 mm (1.4 in) spread over 5 days, with humidity levels at an average of 68%. Whether it's sunbathing or a cozy evening, this month offers a delightful climate!

September Temperature in Sidi Bou Ali

In September in Sidi Bou Ali, the average temperature is 26°C (79°F), with maximums reaching up to 36°C (98°F) and minimums dropping as low as 18°C (65°F). This climate makes it a perfect time for travelers to explore and enjoy outdoor activities while still being prepared for cooler evenings.

September Weather in Sidi Bou Ali: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sidi Bou Ali, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sidi Bou Ali, September typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (98°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec555759626977828379716457
Data source: Temperature data for Sidi Bou Ali generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sidi Bou Ali

In Sidi Bou Ali in September, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

September Precipitation Trends in Sidi Bou Ali

The chart displays monthly precipitation patterns in Sidi Bou Ali, 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 Sidi Bou Ali, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec112546259411236583721
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sidi Bou Ali

In Sidi Bou Ali in September, humidity is 68%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit stifling unless you stay hydrated and take frequent breaks in the shade.

September Average Humidity in Sidi Bou Ali

This chart illustrates the average monthly humidity levels in Sidi Bou Ali, 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 Sidi Bou Ali is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%67%67%67%65%63%60%61%68%68%65%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sidi Bou Ali

In Sidi Bou Ali 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 Sidi Bou Ali.

Maximum UV Index Levels in Sidi Bou Ali for September

The chart shows the monthly maximum UV Index (UVI) for Sidi Bou Ali 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 Sidi Bou Ali typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891111108743
Data source: Sidi Bou Ali 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 Sidi Bou Ali Compares to Other Months

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

This table compares monthly weather conditions in Sidi Bou Ali, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)11 mm (0.4 inches)68%moderate
February Weather14°C (57°F)25 mm (1.0 inches)67%moderate
March Weather15°C (59°F)46 mm (1.8 inches)67%high
April Weather17°C (63°F)25 mm (1.0 inches)67%very high
May Weather21°C (70°F)9 mm (0.4 inches)65%very high
June Weather25°C (77°F)4 mm (0.2 inches)63%extreme
July Weather28°C (83°F)1 mm (0.0 inches)60%extreme
August Weather29°C (84°F)12 mm (0.5 inches)61%very high
September Weather26°C (79°F)36 mm (1.4 inches)68%very high
October Weather22°C (71°F)58 mm (2.3 inches)68%high
November Weather18°C (64°F)37 mm (1.5 inches)65%moderate
December Weather14°C (58°F)21 mm (0.8 inches)67%moderate

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