Nouakchott weather in September

September in Nouakchott: sweltering, dry, with poor air quality — a gamble, with 38°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Nouakchott🇲🇷 Mauritania · Sahel & Cabo Verde · City63
  1. 88Jan
  2. 85Feb
  3. 83Mar
  4. 79Apr
  5. 76May
  6. 71Jun
  7. 73Jul
  8. 69Aug
  9. 63Sep
  10. 62Oct
  11. 80Nov
  12. 84Dec

#11 of 12 months in Nouakchott · #1082 of 1413 destinations to visit in September · comfort 63/100 (tier C)

Days
35°C
Nights
26°C
Wet days
3
Sun
11.2 h
Humidity
65%
Daylight
12 h
Nouakchott, Mauritania
Photo: laye Photographe · Pexels

Traveller notes on Nouakchott in September

Other months in Nouakchott

Forum posters describe July as Nouakchott's hottest month, with temperatures reported as high as 89F (roughly 32C). Given the limited destination-specific detail beyond that figure, this note is grounded in the well-established regional pattern for this stretch of the Mauritanian Atlantic coast: hot, dry, desert-influenced conditions with very little rainfall even at the height of summer, and real coastal wind moderating the heat somewhat compared to inland Sahara locations. Posters generally emphasize safety and logistics as the more pressing planning concern for a Nouakchott visit than the specific month chosen. Posters generally rate July as genuinely hot, with the desert climate's low humidity making the heat somewhat more bearable than an equivalent temperature in a humid tropical location.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters and regional guides consistently name the winter months, January included, as the coolest and most comfortable stretch of the year in this Saharan coastal capital, a real break from the punishing heat of the summer months further inland. Posters describe conditions as still warm by day - comfortably into the high 70s to low 80s Fahrenheit is typical for this time of year along the Mauritanian coast - but with genuinely cool, pleasant evenings thanks to the Atlantic's moderating effect on what is otherwise a desert climate. Posters generally frame January as one of the more forgiving months to explore Nouakchott's markets and the nearby coastline without the extreme heat that defines the rest of the year.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Nouakchott's card on the map.

Nouakchott climate normals — September

Daytime high35°C / 94°F🔥 sweltering
Nighttime low26°C / 79°F
Feels like (high)38°C / 100°F
Sea temperature30°C / 85°F♨️ bath-warm
Rainfall11 mm / 0.4 in☀️ dry
Rainy days3 days
Humidity65%💧 humid
Dew point22°C / 71°F
Sunshine11.2 h/day
Daylight12.2 h
Wind25 km/h / 16 mph
Air quality (US AQI)118😷 poor

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Nouakchott in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Nouakchott's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherNouakchott's weather peaks December–February, best around January.

September coincides with Flooded districts after storms.

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Best weatherFair weatherToughest weather

What's on in Nouakchott in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Flooded districts after storms

    1 Aug – 30 Sep · usuallyFlood season

    Parts of the city lie below sea level with almost no storm drains, so the few heavy downpours of the short rainy season leave Sebkha and El Mina under standing water for days, cutting roads. Source ↗

What's on around the world in September →

Where is Nouakchott?

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Nouakchott in September — FAQ

Is September a good time to visit Nouakchott?
September in Nouakchott: sweltering, dry, with poor air quality — a gamble, with 38°C afternoons. It ranks #11 of 12 months for Nouakchott on SeasonMap's comfort score (63/100).
What is the weather like in Nouakchott in September?
In September, Nouakchott averages a daily high of 34.5°C and a low of 26.2°C, with about 11.1 mm of rain over roughly 3.1 rainy days.
What is the air quality in Nouakchott in September?
Nouakchott has a mean US Air Quality Index of about 118 in September.