Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 27.9 °C | 27.3 °C | 13 days | Ideal — one of the best times of year |
| February | 28.2 °C | 27 °C | 16 days | Possible, with trade-offs |
| March | 28.6 °C | 27 °C | 17 days | Possible, with trade-offs |
| April | 28.9 °C | 27.4 °C | 19 days | Unfavourable season |
| May | 29.2 °C | 28 °C | 24 days | Unfavourable season |
| June | 30 °C | 28.6 °C | 24 days | Unfavourable season |
| July | 30.5 °C | 28.8 °C | 24 days | Unfavourable season |
| August | 30.6 °C | 29.1 °C | 23 days | Unfavourable season |
| September | 30.5 °C | 29.5 °C | 22 days | Unfavourable season |
| October | 29.9 °C | 29.5 °C | 21 days | Unfavourable season |
| November | 28.8 °C | 28.8 °C | 20 days | Unfavourable season |
| December | 28.2 °C | 28 °C | 15 days | Possible, with trade-offs |
Nearby in September
Before you go
Three things to check once you have picked your dates.
Entry
No visa needed for stays of up to 30 days. Passport valid until your return date. Mandatory online entry and exit form (QR code), up to 7 days before arrival; proof of onward travel; fingerprints and photo taken on arrival.
For a British passport, per the UK Foreign Office on 7 August 2026. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 7 August 2026
Health
Vaccines · hepatitis A and hepatitis B if you are not already vaccinated. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. No entry requirement.
Malaria · Present. Areas: Primarily in the provinces (including resort areas) of Azua, Elias Piña, La Altagracia, San Juan, and Santo Domingo In the Distrito Nacional, city of Santo Domingo (the capital), primarily in the La Ciénaga and Los Tres Brazos areas Rare transmission in other provinces. Preventive medication recommended: Provinces (including resort areas) of Azua, Elias Piña, La Altagracia, San Juan, and Santo Domingo: Atovaquone-proguanil, chloroquine, doxycycline, mefloquine, tafenoquine All other areas: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only) — prescribed before departure.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 3 September 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 San Cristóbal in September?
The sea averages 29.5°C in September — yes, pleasant swimming.
How hot is San Cristóbal in September?
Expect 30.5°C in the afternoon and 23.9°C at night, averaged over the last 10 years.
Does it rain a lot in San Cristóbal in September?
Around 22 days with rain (≥ 1 mm) in the month — 73% of days.