September Weather in Atar, Mauritania

Last updated: August 23, 2025

In September, the average temperature in Atar, Mauritania soars to a steamy 34°C (93°F). Expect a minimum of 23°C (73°F) and the possibility of hitting a scorching 44°C (112°F) on the hottest days. During this month, anticipate about 12 mm (0.5 in) of precipitation spread across 4 days, with the air humidity averaging a comfortable 31%.

September Temperature in Atar

In September in Atar, the average temperature is 34°C (93°F). Maximums can reach 44°C (112°F), while minimums can drop to as low as 23°C (73°F). Be prepared for hot days and warm nights while traveling during this time.

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

The chart illustrates September temperature patterns in Atar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atar, September typically has an average temperature of 34°C (93°F), with highs reaching up to 44°C (112°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in Atar

In Atar in September, the precipitation amount is 12 mm (0.5 in) over a span of 4 days.

September Precipitation Trends in Atar

The chart displays monthly precipitation patterns in Atar, 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 Atar, September typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Atar

In Atar in September, humidity is 31%. With an average temperature of 34°C (93°F), this humidity feels like a warm embrace, making the air thick and slightly heavy, which can be both invigorating and exhausting for traveling.

September Average Humidity in Atar

This chart illustrates the average monthly humidity levels in Atar, 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 Atar is approximately 31%, 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 Atar

In Atar in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Atar.

Maximum UV Index Levels in Atar for September

The chart shows the monthly maximum UV Index (UVI) for Atar 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 Atar typically reaches 13, which falls under the extreme exposure category.

Data source: Atar 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 Atar Compares to Other Months

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

This table compares monthly weather conditions in Atar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	0 mm (0.0 inches)	19%	very high
February Weather	22°C (72°F)	2 mm (0.1 inches)	18%	very high
March Weather	25°C (76°F)	4 mm (0.1 inches)	17%	extreme
April Weather	28°C (82°F)	3 mm (0.1 inches)	14%	extreme
May Weather	32°C (89°F)	1 mm (0.0 inches)	16%	extreme
June Weather	34°C (94°F)	3 mm (0.1 inches)	20%	extreme
July Weather	35°C (95°F)	2 mm (0.1 inches)	22%	extreme
August Weather	34°C (94°F)	13 mm (0.5 inches)	32%	extreme
September Weather	34°C (93°F)	12 mm (0.5 inches)	31%	extreme
October Weather	31°C (88°F)	5 mm (0.2 inches)	32%	extreme
November Weather	25°C (78°F)	1 mm (0.0 inches)	22%	very high
December Weather	21°C (70°F)	1 mm (0.0 inches)	22%	high