Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 25 °C | 17.9 °C | 0 day | Ideal — one of the best times of year |
| February | 25.1 °C | 17.9 °C | 1 day | Ideal — one of the best times of year |
| March | 25.8 °C | 17.8 °C | 0 day | Ideal — one of the best times of year |
| April | 25.5 °C | 17.6 °C | 0 day | Ideal — one of the best times of year |
| May | 25.9 °C | 17.7 °C | 0 day | Ideal — one of the best times of year |
| June | 27.7 °C | 18.5 °C | 0 day | Ideal — one of the best times of year |
| July | 26.8 °C | 20.1 °C | 0 day | Ideal — one of the best times of year |
| August | 28.4 °C | 22.3 °C | 0 day | Ideal — one of the best times of year |
| September | 30 °C | 22.2 °C | 1 day | Ideal — one of the best times of year |
| October | 29.7 °C | 20.5 °C | 1 day | Ideal — one of the best times of year |
| November | 27.6 °C | 19.2 °C | 0 day | Ideal — one of the best times of year |
| December | 25.5 °C | 18.6 °C | 1 day | Ideal — one of the best times of year |
Nearby in September
Before you go
Three things to check once you have picked your dates.
Entry
E-visa to apply for online before departure. Passport valid for at least 6 months. E-visa must be applied for online before travel; fees are paid on arrival in exact cash (euros or US dollars) — print a copy of the e-visa.
For a British passport, per the UK Foreign Office on 24 March 2026. Rules change: check before booking.
Safety
Outside the areas advised against
Parts of the country are advised against (the east and centre, the Malian and Western Sahara borders; Nouakchott, Nouadhibou and the road between them are not covered); Nouadhibou is not one of them.
Official advice updated 24 March 2026
Health
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated; rabies and meningococcal disease depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · Vaccine recommended for the whole country. Certificate required only if you arrive from a country with yellow fever risk.
Malaria · Present. Areas: All; except in the regions of Dakhlet Nouadhibou and Tiris Zemmour where there is no transmission. Preventive medication recommended: Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine — prescribed before departure.
Mosquitoes · dengue reported: protect yourself from bites.
Per the CDC (page reviewed 25 August 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Nouadhibou in September?
The sea averages 22.2°C in September — swimming is possible but brisk.
How hot is Nouadhibou in September?
Expect 30°C in the afternoon and 22.4°C at night, averaged over the last 10 years.
Does it rain a lot in Nouadhibou in September?
Around 1 days with rain (≥ 1 mm) in the month — 3% of days.