Nouakchott weather in September
September in Nouakchott: sweltering, dry, with poor air quality — a fair time to visit.
#12 of 12 months in Nouakchott · #543 of 604 destinations to visit in September · comfort 56/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Nouakchott climate normals — September
| Daytime high | 35°C / 95°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 6 mm / 0.2 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 60% | 💧 humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 12.2 h | |
| Wind | 25 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.
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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 fair time to visit. It ranks #12 of 12 months for Nouakchott on SeasonMap's comfort score (56/100).
- What is the weather like in Nouakchott in September?
- In September, Nouakchott averages a daily high of 34.9°C and a low of 26.6°C, with about 6.3 mm of rain over roughly 2.8 rainy days.
- What is the air quality in Nouakchott in September?
- Nouakchott has a mean US Air Quality Index of about 118 in September.