September Weather in Nouakchott, Mauritania

Last updated: August 23, 2025

In Nouakchott, Mauritania, the average temperature in September reaches a warm 29°C (85°F), perfect for outdoor adventures. However, expect temperature variations with a minimum of 23°C (74°F) and highs soaring up to 40°C (104°F). Rainfall is light, with just 12 mm (0.5 in) over 4 days, allowing for plenty of sun-soaked moments. The average humidity sits at a comfortable 78%, making for a pleasant, tropical experience.

September Temperature in Nouakchott

In September in Nouakchott, the average temperature is 29°C (85°F). Maximum temperatures can reach 40°C (104°F), while minimums can drop to as low as 23°C (74°F). Be prepared for warm weather and pack accordingly for your travels.

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

The chart illustrates September temperature patterns in Nouakchott, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nouakchott, September typically has an average temperature of 29°C (85°F), with highs reaching up to 40°C (104°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Nouakchott

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

September Precipitation Trends in Nouakchott

The chart displays monthly precipitation patterns in Nouakchott, 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 Nouakchott, 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 Nouakchott

In Nouakchott in September humidity is 78%. With an average temperature of 29°C (85°F), this humidity feels like a warm, thick blanket wrapping around you, making travel somewhat challenging as you adjust to the muggy conditions. The air feels heavy, and the heat can be intense, prompting frequent breaks to find shade and staying hydrated to keep fatigue at bay.

September Average Humidity in Nouakchott

This chart illustrates the average monthly humidity levels in Nouakchott, 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 Nouakchott is approximately 78%, 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 Nouakchott

In Nouakchott in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Nouakchott, you can check here.

Maximum UV Index Levels in Nouakchott for September

The chart shows the monthly maximum UV Index (UVI) for Nouakchott 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 Nouakchott typically reaches 14, which falls under the extreme exposure category.

Data source: Nouakchott 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 Nouakchott Compares to Other Months

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

This table compares monthly weather conditions in Nouakchott, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (71°F)	0 mm (0.0 inches)	36%	very high
February Weather	22°C (73°F)	0 mm (0.0 inches)	40%	very high
March Weather	23°C (74°F)	1 mm (0.0 inches)	41%	extreme
April Weather	24°C (75°F)	0 mm (0.0 inches)	44%	extreme
May Weather	24°C (76°F)	0 mm (0.0 inches)	51%	extreme
June Weather	27°C (80°F)	1 mm (0.0 inches)	67%	extreme
July Weather	26°C (79°F)	2 mm (0.1 inches)	72%	extreme
August Weather	28°C (82°F)	5 mm (0.2 inches)	77%	extreme
September Weather	29°C (85°F)	12 mm (0.5 inches)	78%	extreme
October Weather	29°C (85°F)	5 mm (0.2 inches)	71%	extreme
November Weather	25°C (78°F)	0 mm (0.0 inches)	44%	very high
December Weather	22°C (73°F)	0 mm (0.0 inches)	40%	very high