September Weather in Oued Sly, Algeria

Last updated: August 22, 2025

In Oued Sly, Algeria, the average temperature in September is a pleasant 25°C (78°F). However, temperatures can vary significantly, with a minimum of 12°C (54°F) and a maximum soaring up to 41°C (106°F). Expect some light rain, with an average precipitation amount of 21 mm (0.8 in) spread over just 3 days. Overall, the average humidity stands at a comfortable 55%, making it a great time to visit!

September Temperature in Oued Sly

In September in Oued Sly, the average temperature is 25°C (78°F). Maximum temperatures can reach 41°C (106°F), while minimums can plunge to as low as 12°C (54°F). This makes Oued Sly an ideal destination for travelers looking to enjoy warm weather with a pleasant range of temperature variations.

September Weather in Oued Sly: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Oued Sly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oued Sly, September typically has an average temperature of 25°C (78°F), with highs reaching up to 41°C (106°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Oued Sly

In Oued Sly in September, the precipitation amount is 21 mm (0.8 in) over a period of 3 days.

September Precipitation Trends in Oued Sly

The chart displays monthly precipitation patterns in Oued Sly, 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 Oued Sly, September typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 3 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 Oued Sly

In Oued Sly in September humidity is 55%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, making it a great time for leisurely strolls and outdoor adventures, but travelers should stay hydrated to fully enjoy the experience.

September Average Humidity in Oued Sly

This chart illustrates the average monthly humidity levels in Oued Sly, 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 Oued Sly is approximately 55%, 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 Oued Sly

In Oued Sly 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 Oued Sly.

Maximum UV Index Levels in Oued Sly for September

The chart shows the monthly maximum UV Index (UVI) for Oued Sly 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 Oued Sly typically reaches 8, which falls under the very high exposure category.

Data source: Oued Sly 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 Oued Sly Compares to Other Months

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

This table compares monthly weather conditions in Oued Sly, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	57 mm (2.3 inches)	77%	moderate
February Weather	12°C (54°F)	27 mm (1.1 inches)	70%	moderate
March Weather	14°C (57°F)	75 mm (2.9 inches)	65%	very high
April Weather	16°C (62°F)	59 mm (2.3 inches)	57%	very high
May Weather	21°C (70°F)	22 mm (0.8 inches)	52%	very high
June Weather	25°C (78°F)	10 mm (0.4 inches)	47%	extreme
July Weather	30°C (86°F)	3 mm (0.1 inches)	45%	extreme
August Weather	30°C (86°F)	5 mm (0.2 inches)	39%	very high
September Weather	25°C (78°F)	21 mm (0.8 inches)	55%	very high
October Weather	20°C (68°F)	20 mm (0.8 inches)	65%	high
November Weather	14°C (58°F)	70 mm (2.7 inches)	69%	moderate
December Weather	12°C (53°F)	68 mm (2.7 inches)	79%	moderate