Climate averages 1991–2020
Nouadhibou weather
in September.
A hot, very dry month: the warmest and the 10th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Nouadhibou: daytime highs average 28.0°C and nights cool to about 22.4°C. By daytime temperature it is the warmest month of the year.
Expect about 2.4 mm of rain on fewer than one day, which makes September a very dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average September day.
The nearest other city in this atlas is Dakhla (325 km away). In September its highs average 28.4°C, about as warm as Nouadhibou, with 5.5 mm of rain.
Among the 2 cities listed in Mauritania, Nouadhibou ranks 2nd of 2 for the warmest September highs and 1st of 2 for the driest September (rainfall, lowest first). The mean September high of those 2 cities is 30.8°C; Nouadhibou is 2.8°C cooler than that mean.
From September to October, average highs fall by 1.4°C to 26.6°C, and monthly rainfall rises from 2.4 mm to 4.1 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nouadhibou climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.7°C15.6°C | 15.6°C | 3.2 | 0.5 | 11.011 h |
| February | 22.4°C16.2°C | 16.2°C | 1.0 | 0.3 | 11.411 h |
| March | 23.0°C16.9°C | 16.9°C | 1.6 | 0.2 | 12.012 h |
| April | 23.1°C17.1°C | 17.1°C | 0.4 | 0.1 | 12.613 h |
| May | 23.8°C17.8°C | 17.8°C | 0.4 | 0.1 | 13.113 h |
| June | 25.3°C19.1°C | 19.1°C | 0 | 0.0 | 13.413 h |
| July | 25.3°C20.1°C | 20.1°C | 0 | 0.0 | 13.313 h |
| August | 26.6°C21.7°C | 21.7°C | 2.2 | 0.2 | 12.813 h |
| September, selected | 28.0°C22.4°C | 22.4°C | 2.4 | 0.5 | 12.312 h |
| October | 26.6°C21.0°C | 21.0°C | 4.1 | 0.5 | 11.712 h |
| November | 24.5°C18.9°C | 18.9°C | 1.4 | 0.2 | 11.211 h |
| December | 22.5°C16.8°C | 16.8°C | 0.9 | 0.2 | 10.911 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Dakhla in SeptemberWestern Sahara · 325 kmHigh 28.4°C · Low 20.9°C · 5.5 mm rain
- Nouakchott in SeptemberMauritania · 336 kmHigh 33.7°C · Low 25.6°C · 18 mm rain
- Richard-Toll in SeptemberSenegal · 518 kmHigh 35.8°C · Low 25.5°C · 55 mm rain
- Saint-Louis in SeptemberSenegal · 551 kmHigh 30.9°C · Low 26.1°C · 52 mm rain
- Louga in SeptemberSenegal · 598 kmHigh 32.5°C · Low 24.5°C · 89 mm rain
- Tivaouane in SeptemberSenegal · 666 kmHigh 30.6°C · Low 24.3°C · 108 mm rain
- Thiès in SeptemberSenegal · 684 kmHigh 30.8°C · Low 24.0°C · 120 mm rain
- Thiès Nones in SeptemberSenegal · 685 kmHigh 30.3°C · Low 24.4°C · 120 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nouadhibou) is explained once on the Nouadhibou year overview and on the Sources, method and limits page.