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September Weather in Siliana, Tunisia

Last updated: August 31, 2025

In Siliana, Tunisia, the average temperature in September is a pleasant 23°C (74°F). However, temperatures can vary significantly, with a minimum of 10°C (51°F) and a maximum soaring to 38°C (100°F). During this month, expect 56 mm (2.2 in) of precipitation spread over 9 days, contributing to an average humidity of 49%.

September Temperature in Siliana

In September in Siliana, the average temperature is 23°C (74°F). Maximums can reach 38°C (100°F) and minimums can drop as low as 10°C (51°F). It's a great time to visit for warm weather enthusiasts, but be prepared for both hot days and cooler nights!

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

The chart illustrates September temperature patterns in Siliana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siliana, September typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (100°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec464952576675828273635549
Data source: Temperature data for Siliana 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 Siliana

In Siliana in September, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

September Precipitation Trends in Siliana

The chart displays monthly precipitation patterns in Siliana, 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 Siliana, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec21287060402452556433832
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Siliana

In Siliana in September, humidity is 49%. With an average temperature of 23°C (74°F), this humidity feels like a comfortable environment for traveling, allowing you to explore the sights without feeling overly sticky or fatigued.

September Average Humidity in Siliana

This chart illustrates the average monthly humidity levels in Siliana, 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 Siliana is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%64%59%52%45%38%34%35%50%58%61%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Siliana

In Siliana in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Siliana.

Maximum UV Index Levels in Siliana for September

The chart shows the monthly maximum UV Index (UVI) for Siliana 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 Siliana typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4579101211109753
Data source: Siliana 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 Siliana Compares to Other Months

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

This table compares monthly weather conditions in Siliana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)21 mm (0.8 inches)65%moderate
February Weather9°C (49°F)28 mm (1.1 inches)64%moderate
March Weather11°C (52°F)70 mm (2.8 inches)59%high
April Weather14°C (58°F)60 mm (2.4 inches)52%very high
May Weather19°C (66°F)40 mm (1.6 inches)45%very high
June Weather24°C (76°F)23 mm (0.9 inches)38%extreme
July Weather28°C (82°F)5 mm (0.2 inches)34%extreme
August Weather28°C (82°F)25 mm (1.0 inches)35%very high
September Weather23°C (74°F)56 mm (2.2 inches)49%very high
October Weather17°C (63°F)43 mm (1.7 inches)58%high
November Weather13°C (55°F)38 mm (1.5 inches)61%moderate
December Weather9°C (49°F)32 mm (1.2 inches)66%moderate

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