# Yopal in September: weather

Yopal, Colombia (South America). Ten-year climatology (2015-2024), not a forecast. Page: https://beaufixe.net/en/weather/yopal/september

## Key figures

| Indicator | Value |
|---|---|
| Afternoon (mean daily max) | 30.4 °C |
| Night (mean daily min) | 21.5 °C |
| Rainy days (≥ 1 mm) | 21 / month |
| Relative humidity | 80 % |
| Probability of a 25 °C+ afternoon | 100 % |

## Month by month

| Month | Afternoon | Night | Sea | Rain (d) |
|---|---|---|---|---|
| January | 32.6 °C | 22.4 °C | – | 5 |
| February | 33.7 °C | 23.7 °C | – | 5 |
| March | 32.9 °C | 23.5 °C | – | 13 |
| April | 30.6 °C | 22.5 °C | – | 22 |
| May | 29.2 °C | 22.2 °C | – | 27 |
| June | 28.3 °C | 21.7 °C | – | 27 |
| July | 28.2 °C | 21.4 °C | – | 27 |
| August | 29.4 °C | 21.4 °C | – | 22 |
| September | 30.4 °C | 21.5 °C | – | 21 |
| October | 30.5 °C | 21.7 °C | – | 22 |
| November | 30.3 °C | 21.8 °C | – | 18 |
| December | 31.5 °C | 21.9 °C | – | 7 |

Best months : January, February, December.

## Before you go

- **Safety** : Outside the areas advised against. Parts of the country are advised against (Norte de Santander (incl. Cúcuta), Arauca, the Venezuelan border, Chocó (except Quibdó, Nuquí, Bahía Solano, Capurganá), western Valle del Cauca (incl. Buenaventura), southern Córdoba and Bolívar, Urabá and Bajo Cauca, Guaviare, southern Meta, Cauca (except Popayán), southern Nariño and Putumayo); Yopal is not one of them. (official advice updated 3 September 2026 — https://www.gov.uk/foreign-travel-advice/colombia)
- **Entry** (British passport) : No visa needed for stays of up to 90 days. A valid passport. Passport need only be valid on entry, but 6 months' validity after departure is recommended; onward or return ticket required; Check-Mig form optional. (per the UK Foreign Office, 3 September 2026)
- **Vaccines** : hepatitis A and hepatitis B if you are not already vaccinated; chikungunya 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 cities of Barranquilla, Cali, Cartagena, or Medellín. Vaccine is not recommended for travel limited to areas >2,300 m (7,550 ft) elevation, the archipelago department of San Andrés and Providencia, or the city of Bogotá (the capital)). Vaccination certificate required on entry for all travellers.
- **Malaria** : Present. Areas: All areas <1,700 m (<5,600 ft) elevation No malaria transmission in the cities of Bogotá (the capital), Cartagena, or Medellín. 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 3 September 2026 — https://wwwnc.cdc.gov/travel/destinations/traveler/none/colombia)

## Sources

Air, rain, humidity: ERA5-Land reanalysis (Copernicus) served by Open-Meteo (CC BY 4.0). Sea: NOAA OISST. Safety: FCDO (OGL v3), zones reviewed by Beau Fixe. Entry: France Diplomatie (Licence Ouverte 2.0) / FCDO. Health: CDC (public domain). Details: https://beaufixe.net/en/legal#sources

Beau Fixe — https://beaufixe.net — not a forecast; only the authorities are authoritative for safety, entry rules and health.