SeasonMapBarranquilla weather in September
Colombia
September in Barranquilla: hot, soaked, with muggy air — a gamble, with 26 rainy days.
#10 of 12 months in Barranquilla · #1229 of 1383 destinations to visit in September · comfort 53/100 (tier D)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Barranquilla in September
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Barranquilla climate normals — September
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 247 mm / 9.7 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.2 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Barranquilla in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Barranquilla's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherBarranquilla's weather peaks January–March.
September coincides with Arroyos in the streets.
Best weatherFair weatherToughest weather
What's on in Barranquilla in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Arroyos in the streets
1 May – 15 Nov · usuallyFlood seasonThe city drains its downpours down the roads, and within minutes certain streets carry a current that will move a car. Traffic simply stops until it passes; locals know which corners not to be at. Source ↗
- Season
Wet season
MonsoonRisk26 rainy days and about 247 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Barranquilla?
Barranquilla in September — FAQ
- Is September a good time to visit Barranquilla?
- September in Barranquilla: hot, soaked, with muggy air — a gamble, with 26 rainy days. It ranks #10 of 12 months for Barranquilla on SeasonMap's comfort score (53/100).
- What is the weather like in Barranquilla in September?
- In September, Barranquilla averages a daily high of 29.8°C and a low of 26.5°C, with about 247.1 mm of rain over roughly 26.2 rainy days.
- What is the air quality in Barranquilla in September?
- Barranquilla has a mean US Air Quality Index of about 51 in September.