Atar Weather in September
September in Atar sees daytime temperatures around 40°C (104°F) and lows of 28°C (82°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.
Rainfall in Atar in September
This month receives the highest rainfall of the year, but the precipitation levels remain light. Rain is expected on roughly 2 days, totalling around 16 mm (0.6 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Atar in September
Daytime highs in Atar in September reach 40°C (104°F), with nights around 28°C (82°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 28°C (82°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Atar in September
The city usually sees around 257 hours of sunlight, indicating many sunny days , a great month for sightseeing.
Wind Speed in Atar in September
In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Atar. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mauritania, check out our Atar's climate page.
Atar Temperature in September
Min Temperature
28°C (82°F)
Max Temperature
40°C (104°F)
Chance of Rain
6%
Precipitation
16 mm (0.6 in)
Rainy days
2 days
Humidity
40%
Windspeed
4 m/s (8 knots)
Sunshine
257 hours
Percentage Sunshine
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Atar typically stay consistent throughout September, with daily highs averaging around 40°C (104°F). Nights are warm, with lows typically ranging from 27°C (81°F) to 30°C (86°F).
Average temperatures in September
Historical weather for Atar in September
Browse day-by-day weather records for Atar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Atar historical weather extremes in September
According to our 20 years of weather records for Atar, the following extremes were recorded between 2005 and 2025.
- The hottest September day on record in Atar reached 46°C (115°F) (September 1, 2006).
- The lowest daytime temperature in September was 29°C (84°F), recorded on September 16, 2013.
- The coldest night in September in Atar was on September 9, 2007, with a minimum of 22°C (72°F).
Best Places in Mauritania in September
Find out more about the weather in Mauritania and which places have the best travel conditions in this month. See all of Mauritania in September →
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unpleasant
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What to Wear in Atar in September
Hot weather in September means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Atar in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mauritania, check out our Atar's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Atar climate overview or explore weather in Mauritania.
