September Weather in Barranquilla, Colombia

Last updated: August 21, 2025

Experience the tropical climate of Barranquilla, Colombia in September, where temperatures typically range from a comfortable 25°C (77°F) to a maximum of 31°C (88°F), offering warm days perfect for exploration. With an average temperature around 28°C (83°F), visitors can anticipate a lively atmosphere. However, prepare for frequent rain, as the city sees an impressive 187 mm (7.4 in) of precipitation over 24 days, contributing to a humidity level of 84%. This combination of heat and moisture creates a vibrant backdrop, making September an intriguing time to experience Barranquilla's rich culture and natural beauty.

September Temperature in Barranquilla

In September, Barranquilla, Colombia experiences a warm and inviting climate, with temperatures showing a slight increase as the month unfolds. The minimum temperature rises to a comfortable 25°C (77°F), creating a pleasant atmosphere for both locals and visitors alike. With an average temperature of 28°C (83°F), days remain balmy and perfect for exploring the vibrant city. As the heat peaks, maximum temperatures reach around 31°C (88°F), aligning with the consistent trend seen throughout the preceding months. This gradual warmth underscores Barranquilla's tropical charm, making September an excellent time to enjoy the lively culture and picturesque surroundings while basking in the sun.

September Weather in Barranquilla: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Barranquilla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barranquilla, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080818282828282828281
Data source: Temperature data for Barranquilla generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Barranquilla

September brings a significant surge in rainfall to Barranquilla, marking it as one of the wettest months of the year. With 187 mm (7.4 in) of precipitation falling over 24 days, September's robust downpours contribute to the region's lush landscape. This trend follows a dynamic climate pattern, as rainfall gradually increases from the drier months at the beginning of the year, peaking in September before tapering off into October's heavier 241 mm (9.5 in). The month is a stark contrast to February's dry spell of 0 mm, showcasing Barranquilla's transition into its rainy season, ultimately shaping the vibrant environment of this coastal city.

September Precipitation Trends in Barranquilla

The chart displays monthly precipitation patterns in Barranquilla, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Barranquilla, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec404341701419416918724112618
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barranquilla

In Barranquilla, Colombia, September ushers in high humidity consistent with the lingering effects of the rainy season. The city's relative humidity peaks at 84%, slightly dipping from the intense levels of 85% experienced in August. This trend highlights a gradual decrease in humidity as the year progresses toward drier months, but September still feels oppressively humid, creating a warm and sticky atmosphere typical of the Caribbean climate. The transition from the summer’s high moisture levels sets the stage for the rest of the year, with humidity declining steadily to 82% by October, indicating a shift in weather patterns as the year draws to a close.

September Average Humidity in Barranquilla

This chart illustrates the average monthly humidity levels in Barranquilla, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Barranquilla is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%65%64%64%65%77%85%85%84%82%79%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barranquilla

As September rolls into Barranquilla, the UV Index remains high at 13, signaling extreme exposure. This trend of elevated UV levels, consistently peaking between 12 and 14 from January through August, underscores the necessity for sun protection throughout the year. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to stay vigilant against harmful sun rays. As the month unfolds, maintaining awareness of UV conditions will help safeguard skin health and enjoy the vibrant outdoor life Barranquilla has to offer. For more detailed insights on UV levels, check Barranquilla UV Index.

Maximum UV Index Levels in Barranquilla for September

The chart shows the monthly maximum UV Index (UVI) for Barranquilla in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Barranquilla typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141312131313131110
Data source: Barranquilla September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Barranquilla

In Barranquilla, Colombia, September boasts 300 hours of sunshine, marking a delightful transition as the year shifts towards the end. While slightly lower than the sun-drenched heights of March, with its impressive 343 hours, September maintains a solid position among the months, showcasing Barranquilla's consistently bright climate. The pattern is clear: as summer fades into the latter part of the year, the city continues to bask in abundant sunlight, with only slight fluctuations throughout the months. This trend emphasizes Barranquilla's status as a vibrant destination for those seeking warm, sunny days, making it an inviting locale even as the calendar edges toward fall.

Monthly Sunshine Duration in Barranquilla: September Highlighted

The September sunshine duration represents the total number of hours Barranquilla experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec269h310h343h324h311h305h331h318h300h308h298h331h
Data source: Barranquilla September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Barranquilla During September

In Barranquilla, Colombia, the likelihood of sunny weather sees a notable decline as summer transitions into autumn. September, with a mere 16% chance of sunshine, joins the ranks of April and May as one of the cloudiest months. This trend continues into October, reaching just 20%, suggesting that the vibrant, sun-drenched days of the earlier months, such as February at 76%, are behind. As the year progresses towards the drier and sunnier months, such as November and December, which improve to 31% and 43% respectively, it becomes clear that September heralds a period where rain clouds overshadow the warmth of sunlight, setting the stage for the rainy season ahead.

Percentage of Sunny Days in September in Barranquilla

The chart illustrates the percentage of sunny days in Barranquilla throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Barranquilla experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%76%55%18%18%23%25%15%16%20%31%43%
Data source: Barranquilla September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Barranquilla in September

In Barranquilla, Colombia, the rhythm of daylight throughout the year offers a captivating glimpse into the region’s climatic patterns. As the calendar turns to September, residents enjoy a generous 12 hours of daylight, consistent with the trend observed from March to August. This steady allotment of sunlight marks a departure from the shorter days of January and February, which provide only 11 hours. Following September, daylight begins to decrease once more, dropping to 11 hours in October and continuing through the end of the year. This cyclical nature of daylight, with a peak in the middle months, highlights Barranquilla’s tropical climate, making it an ideal setting for both outdoor activities and cultural festivities.

Average Daylight Hours in Barranquilla for September

The chart illustrates the variation in daylight duration in Barranquilla throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 32m11h 46m12h 3m12h 21m12h 37m12h 44m12h 40m12h 27m12h 9m11h 51m11h 36m11h 28m
Data source: Barranquilla daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Barranquilla

As September rolls into Barranquilla, Colombia, the winds begin to whisper a softer story, with average speeds dropping to 3.5 m/s (8 mph). This marks a continuing trend from the preceding months, where the breezes have gradually dulled from their earlier vigor, particularly noticeable during the dynamic heights of March, which boasts an average of 8.5 m/s (19 mph). The comfortable air slows, contrasting beautifully with the bustling energy of the city as temperatures remain warm. As we transition into October, the winds soften even further to 2.9 m/s (6 mph), hinting at a calmer atmosphere that envelops Barranquilla, setting the stage for a season of introspection and vibrant cultural expressions against a backdrop of gentle breezes.

Average September Wind Speed in Barranquilla

The chart displays monthly wind speed patterns in Barranquilla, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.18.18.56.15.73.85.43.83.5 m/s2.94.77.2
Data source: Barranquilla September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Barranquilla Compares to Other Months

Weather in Barranquilla varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Barranquilla, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, the weather is significantly warmer and more humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 28°C (83°F). This month also experiences considerable rainfall, with 187 mm (7.4 in) spread over 24 days, resulting in a high humidity level of 84%. In contrast, January brings much cooler and drier conditions, with temperatures peaking at 29°C (85°F) and a low of 24°C (75°F) for an average of 27°C (80°F). Notably, January sees minimal rainfall—only 4 mm (0.1 in) across just 1 day—and a decrease in humidity to 65%. For more details on the specific weather conditions in January, check out Barranquilla weather in January.

September in Barranquilla is characterized by warmer temperatures, with a minimum of 25°C (77°F) and an average of 28°C (83°F), peaking at 31°C (88°F). This month also experiences considerable rainfall, totaling 187 mm (7.4 in) across 24 days, resulting in high humidity levels at 84%. In contrast, February offers a slightly cooler climate with a minimum temperature of 24°C (75°F) and an average of 27°C (80°F), reaching a maximum of 29°C (85°F). Notably, February is dry, with no precipitation recorded and humidity at a more comfortable 65%. For more detailed information about February weather in Barranquilla, you can visit Barranquilla weather in February.

In comparing the weather of September and March, we see notable differences in both temperature and precipitation. September experiences a warm climate with minimum temperatures around 25°C (77°F) and averages reaching up to 28°C (83°F), while March is slightly cooler, with temperatures ranging from 24°C (75°F) to an average of 27°C (80°F). Precipitation is significantly higher in September, totaling 187 mm (7.4 in) across 24 rainy days, creating a humid environment with 84% humidity. In contrast, March enjoys a much drier climate, with only 4 mm (0.2 in) of rainfall over just one day and a lower humidity of 64%. For more details on March's weather, visit Barranquilla weather in March.

In comparing September and April weather, both months experience similar maximum temperatures, reaching up to 31°C (88°F), but they differ significantly in precipitation and humidity. September has a higher average temperature of 28°C (83°F) and receives substantial rainfall of 187 mm (7.4 in) over 24 days, leading to a humidity level of 84%. In contrast, April offers a slightly cooler average temperature of 27°C (81°F) and much less precipitation, with only 34 mm (1.3 in) over 9 days and a lower humidity of 64%. For more details, you can refer to Barranquilla weather in April.

In comparing the weather of September and May, both months experience similar temperature ranges, with a minimum of 25°C (77°F), an average of around 28°C (83°F/82°F), and a maximum of 31°C (88°F/89°F). However, September is significantly wetter, receiving 187 mm (7.4 in) of precipitation over 24 days compared to May's 170 mm (6.7 in) and 21 days of rain. Additionally, September's humidity is markedly higher at 84%, making it feel more oppressive than May, which has a relatively drier atmosphere at 65% humidity. For a closer look at May weather specifics, visit Barranquilla weather in May.

In September, the weather is characterized by slightly warmer temperatures, with a minimum of 25°C (77°F) and an average high of 31°C (88°F), compared to June, where the minimum is 24°C (76°F) and the same maximum of 31°C (88°F). However, September sees significantly more rainfall, with 187 mm (7.4 in) of precipitation over 24 days, compared to June's 141 mm (5.6 in) over 19 days. Additionally, September's humidity is higher at 84%, while June's humidity stands at 77%, making September feel even more muggy. For more details about June weather, you can visit Barranquilla weather in June.

In comparing the weather between September and July, September tends to be slightly warmer, with average temperatures reaching 28°C (83°F) compared to July's average of 28°C (82°F). While July has a marginally lower minimum temperature of 24°C (76°F), both months experience similar maximum temperatures around 30°C (86°F) and 31°C (88°F). However, September is notably wetter, receiving 187 mm (7.4 in) of precipitation over 24 days, whereas July sees only 93 mm (3.7 in) across 15 days. Humidity levels remain fairly consistent, with September at 84% and July at 85%. For further details, check out Barranquilla weather in July.

In comparing the weather of September and August, we find that both months experience similar temperature ranges, with September's average temperature at 28°C (83°F), just slightly warmer than August’s 28°C (82°F). However, September is marked by slightly higher humidity at 84%, compared to August's 85%. A significant difference emerges in precipitation, with September recording 187 mm (7.4 in) over 24 days, which is more than August's 169 mm (6.6 in) over 20 days. This increase in rainfall in September suggests a wetter month overall. For more specific details, you can refer to Barranquilla weather in August.

In September, the weather features temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), with an average temperature of 28°C (83°F). However, this month experiences significant rainfall, totaling 187 mm (7.4 in) over 24 days and maintaining a humidity level of 84%.

In contrast, October sees slightly cooler minimum temperatures at 24°C (76°F), while the average and maximum temperatures remain the same at 28°C (82°F) and 31°C (88°F), respectively. Rainfall increases to 241 mm (9.5 in), occurring over 27 days, with a slightly lower humidity level of 82%. Overall, while both months share similar temperature ranges, October tends to be wetter and a bit cooler. For more detailed information, you can check Barranquilla weather in October.

In comparing the weather between September and November, we see that both months maintain similar average temperatures, with September experiencing a slightly higher maximum of 31°C (88°F) compared to November's 30°C (87°F). While September typically has a higher total precipitation of 187 mm (7.4 in) over 24 days, November sees a reduction to 125 mm (4.9 in) across just 16 days, indicating drier conditions. Humidity is also lower in November at 79%, compared to September's 84%, making it feel a bit less muggy. For more detailed insights, check out Barranquilla weather in November.

In September, the weather is characterized by a warm climate with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), accompanied by high humidity levels at 84%. The month experiences significant rainfall, totaling 187 mm (7.4 in) over 24 days, creating a lush and humid environment. In contrast, December brings slightly cooler temperatures, with averages between 25°C (77°F) and 30°C (86°F) and reduced humidity at 69%. Precipitation dramatically decreases to just 18 mm (0.7 in) over only 3 days, resulting in a much drier and more pleasant atmosphere. For more insights, check out Barranquilla weather in December.

Compare Barranquilla's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Barranquilla

As September unfolds in Barranquilla, the city's climate reveals itself through warm temperatures and high humidity, making it distinct from other months. With average highs around 28°C, combined with a significant rainfall of 187 mm across numerous days, this month brings a pronounced shift towards a wetter atmosphere. The frequent showers can create a lush environment, but the humidity may feel quite intense, resulting in a mix of discomfort for those unaccustomed. For those planning a visit, it’s essential to stay prepared for rain while also enjoying the vibrant culture that thrives in the tropical warmth. To explore more about the nuances of Barranquilla's climate, check out Barranquilla Climate.