Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 16.8 °C | 15.7 °C | 2 days | Possible, with trade-offs |
| February | 18.3 °C | 14.9 °C | 4 days | Possible, with trade-offs |
| March | 21 °C | 16 °C | 3 days | Pleasant — a good time to go |
| April | 22.9 °C | 17.8 °C | 3 days | Pleasant — a good time to go |
| May | 26.9 °C | 20.7 °C | 2 days | Ideal — one of the best times of year |
| June | 30.8 °C | 24 °C | 0 day | Ideal — one of the best times of year |
| July | 33.4 °C | 27.3 °C | 0 day | Ideal — one of the best times of year |
| August | 33.4 °C | 28.9 °C | 1 day | Ideal — one of the best times of year |
| September | 31.2 °C | 28.2 °C | 3 days | Ideal — one of the best times of year |
| October | 27.4 °C | 25.8 °C | 3 days | Ideal — one of the best times of year |
| November | 22.4 °C | 22.5 °C | 4 days | Pleasant — a good time to go |
| December | 18.4 °C | 18.5 °C | 4 days | Possible, with trade-offs |
Before you go
Three things to check once you have picked your dates.
Entry
Entry rules depend on your nationality and change often. Check them before booking.
Safety
Some areas advised against
The country is open, but parts should be avoided.
Official advice updated 24 July 2026
Health
Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.
Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.
FAQ
Can you swim in Djerba in September?
The sea averages 28.2°C in September — yes, pleasant swimming.
How hot is Djerba in September?
Expect 31.2°C in the afternoon and 24.3°C at night, averaged over the last 10 years.
Does it rain a lot in Djerba in September?
Around 3 days with rain (≥ 1 mm) in the month — 10% of days.