September weather forecast
Nouakchott, Mauritania

The Nautique Grand Mosque in Nouakchott, Mauritania
The Nautique Grand Mosque in Nouakchott, Mauritania

Weather in September

September, the first month of the autumn in Nouakchott, is still a hot month, with an average temperature varying between 34.9°C (94.8°F) and 24.5°C (76.1°F).
An excellent water temperature of 27°C (80.6°F) and only 2 rainfall days, with 31mm (1.22") of accumulated rainfall, makes September a prime for swimming and other water activities.

Temperature

In Nouakchott, the average high-temperature in September is almost the same as in August - a still hot 34.9°C (94.8°F). In September, the average low-temperature is 24.5°C (76.1°F).

Rainfall

In Nouakchott, during 2 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Nouakchott, during the entire year, the rain falls for 7 days and collects up to 94mm (3.7") of precipitation.

Sea temperature

September is the month with the warmest seawater, with an average sea temperature of 27°C (80.6°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in September in Nouakchott, Mauritania, is 12h and 14min.
On the first day of September, sunrise is at 06:49 and sunset at 19:18. On the last day of the month, sunrise is at 06:53 and sunset at 18:53 GMT.

Sunshine

In September, the average sunshine is 8h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Nouakchott, Mauritania. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in September in Nouakchott?

The average high-temperature, in September, in Nouakchott, Mauritania, is 34.9°C (94.8°F), while the average low-temperature is 24.5°C (76.1°F).

How much does it rain in Nouakchott in September?

In Nouakchott, in September, it is raining for 2 days, with typically 31mm (1.22") of accumulated precipitation.

What is the month with the warmest sea water in Nouakchott?

September is the month with the warmest seawater in Nouakchott, with an average sea temperature of 27°C (80.6°F).

What is the water temperature in September in Nouakchott?

In Nouakchott, Mauritania, in September, the average water temperature is 27°C (80.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Nouakchott?

The average day length in September is 12h and 14min.

When is the sunrise / sunset in September in Nouakchott?

In September, on the first day of the month, sunrise is at 06:49 and sunset at 19:18. On the last day of the month, sunrise is at 06:53 and sunset at 18:53 GMT.

How many hours of sunshine does Nouakchott have in September?

In September, the average sunshine duration is 8h.

What is the month with the highest UV index in Nouakchott?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Nouakchott.

What is the UV index intensity in September in Nouakchott?

In September, the average daily maximum UV index is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Nouakchott, Mauritania

Average temperature in September - Nouakchott, Mauritania
  • Average high temperature in September: 34.9°C

The warmest month (with the highest average high temperature) is October (36.4°C).
The months with the lowest average high temperature are January and December (29.1°C).

  • Average low temperature in September: 24.5°C

The month with the highest average low temperature is September (24.5°C).
The coldest month (with the lowest average low temperature) is January (13.7°C).

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Average rainfall in September
Nouakchott, Mauritania

Average rainfall in September - Nouakchott, Mauritania
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is August (36mm).
The driest months (with the least rainfall) are April and May (0mm).

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Average rainfall days in September
Nouakchott, Mauritania

Average rainfall days in September - Nouakchott, Mauritania
  • Average rainfall days in September: 2 days

The months with the highest number of rainy days are August and September (2 days).
The months with the least rainy days are March, April, May, June, October, November and December (0 days).

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Average sea temperature in September
Nouakchott, Mauritania

Average sea temperature in September - Nouakchott, Mauritania
  • Average sea temperature in September: 27°C

The best month for swimming (with the highest average sea temperature) is September (27°C).
The coldest months (with the lowest average sea temperature) are February, March, April and May (19°C).

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Average daylight in September /
Average sunshine in September
Nouakchott, Mauritania

Average daylight in September / Average sunshine in September - Nouakchott, Mauritania
  • Average daylight in September: 12h and 14min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 4min).

  • Average sunshine in September: 8h

The months with the most sunshine are March, April and May (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average UV index in September
Nouakchott, Mauritania

Average UV index in September - Nouakchott, Mauritania
  • Average UV index in September: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).

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