Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 25.7 °C | — | 3 days | Ideal — one of the best times of year |
| February | 26.5 °C | — | 6 days | Ideal — one of the best times of year |
| March | 26.7 °C | — | 10 days | Ideal — one of the best times of year |
| April | 25.4 °C | — | 18 days | Possible, with trade-offs |
| May | 23.9 °C | — | 25 days | Unfavourable season |
| June | 22.8 °C | — | 27 days | Unfavourable season |
| July | 22.1 °C | — | 29 days | Unfavourable season |
| August | 22.3 °C | — | 29 days | Unfavourable season |
| September | 22.7 °C | — | 26 days | Unfavourable season |
| October | 23.3 °C | — | 17 days | Possible, with trade-offs |
| November | 23.9 °C | — | 10 days | Pleasant — a good time to go |
| December | 24.6 °C | — | 5 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 for stays of up to 30 days. Passport valid for at least 6 months. 30-day single-entry e-visa online before arrival (scanned passport + photo); passport must be machine-readable; overstay penalty 30 US dollars a day.
For a British passport, per the UK Foreign Office on 29 May 2026. Rules change: check before booking.
Safety
Outside the areas advised against
Parts of the country are advised against (Amhara, Tigray, Gambela, Benishangul-Gumuz, the Somali region, western and northern Oromia, border areas); Jimma is not one of them.
Official advice updated 29 May 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 and meningococcal disease depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · Vaccine recommended for parts of the country (not recommended for the regions of Afar or Somali). Certificate required only if you arrive from a country with yellow fever risk.
Malaria · Present. Areas: All areas <2,500 m (<8,200 ft) elevation. Preventive medication recommended: All areas <2,500m (8,200 ft) elevation, including Addis Ababa: 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 Jimma in September?
Jimma is not a seaside destination (no sea data).
How hot is Jimma in September?
Expect 22.7°C in the afternoon and 13.5°C at night, averaged over the last 10 years.
Does it rain a lot in Jimma in September?
Around 26 days with rain (≥ 1 mm) in the month — 87% of days.