Barranquilla weather in September

September in Barranquilla: sweltering, soaked, with muggy air — not the time — 27 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Barranquilla🇨🇴 Colombia · Caribbean Colombia & Venezuela · City47
  1. 76Jan
  2. 78Feb
  3. 75Mar
  4. 65Apr
  5. 49May
  6. 50Jun
  7. 59Jul
  8. 53Aug
  9. 47Sep
  10. 44Oct
  11. 56Nov
  12. 71Dec

#11 of 12 months in Barranquilla · #1285 of 1413 destinations to visit in September · comfort 47/100 (tier F)

Days
33°C
Nights
25°C
Wet days
27
Sun
9.4 h
Humidity
84%
Daylight
12 h
Barranquilla, Colombia
Photo: Felipe Jiménez · Pexels

Traveller notes on Barranquilla in September

Notes from nearby Minca (75 km away)

Barranquilla doesn't have its own notes for September yet — these are about Minca, close enough to share the season.

Minca-forum threads on September sunshine describe late September as typically the rainiest stretch of the year in this part of Colombia, though patterns vary by region and Minca's higher elevation gives it a real edge over the coast. Posters call the temperature here genuinely pleasant, noticeably cooler than Santa Marta below given the altitude, real relief from the coastal intensity. Regulars describe a typical day as clear through the morning with a shower building by afternoon, rarely lasting long even when it arrives hard. Posters recommend the Pozo Azul waterfalls and coffee and cacao farm tours as reliable regardless of forecast, most of the experience shaded under forest canopy anyway. Regulars call flexible daily plans the real key to a smooth visit this time of year. Posters recommend a proper rain layer even on a promising morning. The record: 25.7C days feeling like a punishing 31C, 22.1C nights, an extraordinarily high 272mm across nearly 26 days and 84 percent humidity.
MincaSeptemberRegular · September · 1 month ago · about Minca · Read more on Tripadvisor ↗

Other months in Barranquilla

Forum posters describe the Caribbean coast around Barranquilla as staying roughly 28-32C year-round, hot but not overly humid, and consistently name July and August among Colombia's driest months - a generalization that actually reflects the interior highlands around Bogota more than this coast, since Barranquilla's own real dry season runs January through March, well before July, and July itself sits closer to the middle of the coast's wetter mid-year stretch. Posters note forecasts often predict rain that in practice turns out to be just a few minutes of tropical shower. Posters are direct that Barranquilla itself has no real beach, with the waters made turbid by the nearby Río Magdalena emptying into the sea, and generally point visitors toward Santa Marta or Cartagena instead for beach time. Posters generally rate July as a warm, comparatively dry time to visit the Barranquilla area, with beach logistics rather than weather the main planning consideration.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters place January solidly in Colombia's dry season on the Caribbean coast - mild, tropical, essentially the same climate pattern as any Caribbean island, with the wet season not returning until May through November. Barranquilla can flood during heavy rain spells, so the dry season carries a real practical upside beyond just comfort. Posters are candid that the city isn't typically thought of as a tourist draw outside of Carnival (held in February) - it's valued more by visitors looking for an authentic, less-touristed alternative to nearby Cartagena or Santa Marta, with the Malecon riverside walk cited as a worthwhile if quieter stop.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Barranquilla's card on the map.

Barranquilla climate normals — September

Daytime high33°C / 91°F🔥 sweltering
Nighttime low25°C / 77°F
Feels like (high)41°C / 106°F
Sea temperature30°C / 85°F♨️ bath-warm
Rainfall269 mm / 10.6 in⛈ soaked
Rainy days27 days
Humidity84%💦 very humid
Dew point25°C / 77°F
Sunshine9.4 h/day
Daylight12.2 h
Wind12 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)

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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, best around February.

September coincides with Arroyos in the streets.

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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 season

    The 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

    MonsoonRisk

    27 rainy days and about 269 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in September →

Where is Barranquilla?

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Barranquilla in September — FAQ

Is September a good time to visit Barranquilla?
September in Barranquilla: sweltering, soaked, with muggy air — not the time — 27 rainy days. It ranks #11 of 12 months for Barranquilla on SeasonMap's comfort score (47/100).
What is the weather like in Barranquilla in September?
In September, Barranquilla averages a daily high of 33°C and a low of 25.2°C, with about 269.3 mm of rain over roughly 27.1 rainy days.
What is the air quality in Barranquilla in September?
Barranquilla has a mean US Air Quality Index of about 51 in September.