Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 32.9 °C | 29 °C | 8 days | Ideal — one of the best times of year |
| February | 33.7 °C | 29.2 °C | 10 days | Ideal — one of the best times of year |
| March | 31.4 °C | 29.7 °C | 24 days | Unfavourable season |
| April | 30.9 °C | 29.9 °C | 23 days | Unfavourable season |
| May | 29.9 °C | 29.7 °C | 27 days | Unfavourable season |
| June | 28.5 °C | 28.5 °C | 28 days | Unfavourable season |
| July | 27.7 °C | 27.4 °C | 29 days | Unfavourable season |
| August | 27.7 °C | 26.7 °C | 29 days | Unfavourable season |
| September | 28.1 °C | 27.3 °C | 29 days | Unfavourable season |
| October | 28.8 °C | 28.1 °C | 29 days | Unfavourable season |
| November | 29.9 °C | 28.8 °C | 24 days | Unfavourable season |
| December | 31.9 °C | 29 °C | 9 days | 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. No visa on arrival: apply online before travel. Complete the online landing card and Nigeria Health Declaration Form; yellow fever certificate required.
For a British passport, per the UK Foreign Office on 20 August 2026. Rules change: check before booking.
Safety
Near an area advised against
Calabar is outside the areas concerned, but right next to them. Areas concerned: the north-east (Borno, Yobe, Adamawa, Gombe, Bauchi), north-west (Katsina, Zamfara, Kaduna, Kano, Kebbi, Jigawa, Sokoto), centre (Niger, Kogi, Plateau, Taraba, Kwara, Benue), riverine areas and Niger Delta states (Rivers, Delta, Bayelsa, Abia, Anambra, Imo).
Official advice updated 20 August 2026
Health
CDC level 2 notice: Polio (global)
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated; rabies, cholera, polio, meningococcal disease and chikungunya 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. Preventive medication recommended: Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine — prescribed before departure.
Mosquitoes · dengue and Zika 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 Calabar in September?
The sea averages 27.3°C in September — yes, pleasant swimming.
How hot is Calabar in September?
Expect 28.1°C in the afternoon and 22.9°C at night, averaged over the last 10 years.
Does it rain a lot in Calabar in September?
Around 29 days with rain (≥ 1 mm) in the month — 98% of days.