September weather forecastNéma, Mauritania
September
Weather in September
September concludes the wet season in Néma with rainfall dropping to a lower 14mm (0.55"). Temperatures begin to wind down after the summer's peak, marking the onset of the cooler autumn season. The weather continues to clear up with a reduction in cloud cover and lower humidity levels. Temperatures remain comfortably warm, making it a good time for outdoor activities before the winter season sets in. As September rolls into October, the weather becomes drier and cooler.Temperature
As August turns into September, the average high-temperatures rest at a still sweltering 38.4°C (101.1°F), showing a minor variation from the prior month. An average temperature of 29.6°C (85.3°F) is recorded during the nights in September.Humidity
In September, the average relative humidity is 35%.Rainfall
In Néma, in September, during 5.6 rainfall days, 14mm (0.55") of precipitation is typically accumulated. Throughout the year, there are 34.2 rainfall days, and 126mm (4.96") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 06:15 and sunset at 18:42. On the last day of September, sunrise is at 06:19 and sunset at 18:18 GMT.
Sunshine
In Néma, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 8. A UV Index reading of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 8 during September translates into the following directions:
Prioritize protection; rapid damage can occur to unprotected eyes and skin. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Néma, Mauritania
- Average high temperature in September: 38.4°C
The warmest month (with the highest average high temperature) is June (41.7°C).
The month with the lowest average high temperature is January (29.4°C).
- Average low temperature in September: 29.6°C
The month with the highest average low temperature is June (30.9°C).
The coldest month (with the lowest average low temperature) is January (16.1°C).
Average pressure in September
Néma, Mauritania
- Average pressure in September: 1010mbar
The month with the highest atmospheric pressure is January (1015.1mbar).
The month with the lowest atmospheric pressure is May (1008.2mbar).
Average wind speed in September
Néma, Mauritania
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is September (13.2km/h).
Average humidity in September
Néma, Mauritania
- Average humidity in September: 35%
The month with the highest relative humidity is August (44%).
The month with the lowest relative humidity is April (12%).
Average rainfall in September
Néma, Mauritania
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is August (60mm).
The driest months (with the least rainfall) are February, November and December (0mm).
Average rainfall days in September
Néma, Mauritania
- Average rainfall days in September: 5.6 days
The month with the highest number of rainy days is August (10.3 days).
The month with the least rainy days is December (0.2 days).
Average daylight in September /
Average sunshine in September
Néma, Mauritania
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in September
Néma, Mauritania
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is August (18.8 days).
Average UV index in September
Néma, Mauritania
- Average UV index in September: 8
The months with the highest UV index are May and June (UV index 9).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in September
Néma, Mauritania
- Average cloud cover in September: 14
The month with the most cloud cover is August (Cloud cover 20).
The month with the least cloud cover is April (Cloud cover 6).
Average visibility in September
Néma, Mauritania
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
