September Weather in Roldanillo, Colombia

Last updated: August 21, 2025

Experience the vibrant climate of Roldanillo, Colombia in September, where temperatures fluctuate from a pleasant 15°C (59°F) at night to a warm 27°C (81°F) during the day, averaging about 21°C (70°F). This month is characterized by high humidity levels at 80%, making the air feel lush and alive. Expect significant rainfall, totaling 307 mm (12.1 in) across 30 days, providing a refreshing embrace to the region's stunning landscape. Whether you're exploring the vibrant local culture or indulging in nature, September's dynamic weather sets the perfect backdrop for your adventures.

September Temperature in Roldanillo

In Roldanillo, Colombia, September brings mild and pleasant temperatures, continuing the trend of consistency seen throughout the year. With a minimum of 15°C (59°F) and a maximum reaching 27°C (81°F), the month maintains an average of 21°C (70°F), mirroring several months prior. This stability in temperature highlights the region's comfortable climate, making it an appealing destination for visitors. While daytime highs remain slightly cooler than in the peak summer months, the overall warmth and moderate weather create an inviting atmosphere, perfect for exploring the vibrant local culture or enjoying the lush natural surroundings.

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

The chart illustrates September temperature patterns in Roldanillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roldanillo, 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).
JanFebMarAprMayJunJulAugSepOctNovDec707070707070707070696970
Data source: Temperature data for Roldanillo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Roldanillo

September in Roldanillo, Colombia, sees a notable precipitation total of 307 mm (12.1 in), contributing to the region's lush scenery and vibrant ecosystem. With 30 days of rainfall, this month aligns with the trend of high precipitation characteristic of the wet season, following closely behind the robust figures of May and April. The consistent rainfall not only sustains the local flora but also showcases the region's climatic rhythm, as moisture levels slightly diminish towards the end of the year. As Roldanillo transitions into October, the precipitation remains significant, reinforcing the area's reputation for its rich, tropical atmosphere. Overall, September exemplifies the balance of abundant rainfall that defines this beautiful Colombian locale.

September Precipitation Trends in Roldanillo

The chart displays monthly precipitation patterns in Roldanillo, 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 Roldanillo, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec182235286370411363326302307347341238
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Roldanillo

In Roldanillo, Colombia, September marks a transitional period in humidity, maintaining a steady 80% level that reflects the region's tropical climate. Following a peak in May and June with 87% humidity, the months leading up to September show a gradual decrease, providing a comfortable shift as the dry season approaches. Despite remaining relatively high compared to the drier months of January through March, September’s humidity aligns closely with that of August, showcasing a consistent late-winter climate. As the year progresses, humidity levels gently fluctuate, but September stands out as a month where the thick, tropical air remains a hallmark, providing lush surroundings and vibrant landscapes typical of this enchanting Colombian region.

September Average Humidity in Roldanillo

This chart illustrates the average monthly humidity levels in Roldanillo, 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 Roldanillo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%80%83%88%87%85%80%80%85%87%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Roldanillo

September in Roldanillo, Colombia continues the pattern of extreme UV exposure that defines the region throughout the year. With a consistent UV Index of 14, the risk of harm from sun exposure remains high, and individuals are advised to limit their time outdoors to just 10 minutes without adequate protection. This trend underscores the importance of being vigilant against UV rays, as the indices have hovered between 14 and 17 from January through May, settling into a somewhat stable yet perilous range during the latter months. For more detailed insights into UV levels throughout the year, check out the Roldanillo UV Index.

Maximum UV Index Levels in Roldanillo for September

The chart shows the monthly maximum UV Index (UVI) for Roldanillo 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 Roldanillo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516171514141414141312
Data source: Roldanillo 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 Roldanillo

September in Roldanillo, Colombia, brings a delightful balance of sunshine, boasting 191 hours of light. This month sits comfortably in the middle of the year, showcasing a pleasant transition as the hours of sunshine rise from the cooler, cloudier days of May and June. Following the sun-drenched months of July and August, which recorded 187 and 204 hours respectively, September’s weather continues to embrace warmth while hinting at the approaching mildness of October, which dips to 152 hours. Overall, the trend reveals that Roldanillo enjoys a vibrant summer atmosphere leading into the fall, making September a perfect time to bask in the golden rays before the days gradually shorten.

Monthly Sunshine Duration in Roldanillo: September Highlighted

The September sunshine duration represents the total number of hours Roldanillo 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h206h220h176h153h159h187h204h191h152h146h182h
Data source: Roldanillo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Roldanillo During September

In September, Roldanillo, Colombia experiences a 10% chance of sunny weather, marking a slight increase from the dismal averages seen in the preceding months. While this figure may not suggest a sun-soaked month, it is a notable uptick compared to the more cloud-laden days of August, which slumped to just 3%. This trend hints at the transition from the rainy season, providing a glimmer of hope for those seeking brighter skies as the calendar turns towards autumn. However, travelers should remain prepared for the region's typical mix of sun and rain, especially as the month progresses toward October, when sunshine chances dip to 6%. Overall, September offers a modest opportunity for sunny spells, encouraging outdoor exploration amidst the lush landscapes of Roldanillo.

Percentage of Sunny Days in September in Roldanillo

The chart illustrates the percentage of sunny days in Roldanillo 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 Roldanillo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%9%7%4%7%4%7%3%10%6%7%7%
Data source: Roldanillo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Roldanillo in September

In Roldanillo, Colombia, the daylight duration shows a consistent rhythm throughout the year that reflects the region's tropical climate. As we transition into September, the daylight hours stabilize at an ample 12 hours, sustaining the longer days that began in March. This trend continues from March through August, creating a harmonious balance of light that supports vibrant outdoor activities and lush landscapes. Following this peak, October signals a gradual tapering of daylight back to 11 hours, hinting at the shift toward the cooler months. Overall, September encapsulates a perfect blend of daylight, providing a delightful experience in nature’s embrace.

Average Daylight Hours in Roldanillo for September

The chart illustrates the variation in daylight duration in Roldanillo throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 52m11h 57m12h 4m12h 12m12h 18m12h 21m12h 20m12h 14m12h 7m11h 59m11h 53m11h 51m
Data source: Roldanillo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Roldanillo

In September, Roldanillo, Colombia enjoys a gentle breeze with an average wind speed of 1.1 m/s (3 mph), mirroring the calmness felt in preceding months. Throughout the year, wind speeds have remained notably stable, fluctuating only slightly between 1.0 m/s and 1.2 m/s. This consistency creates a serene atmosphere ideal for relaxation and leisure activities. As summer transitions to fall, the mild winds of September continue the trend set by the previous months, contributing to Roldanillo's charm and inviting outdoor exploration.

Average September Wind Speed in Roldanillo

The chart displays monthly wind speed patterns in Roldanillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.11.01.11.11.11.21.21.1 m/s1.11.21.2
Data source: Roldanillo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Roldanillo Compares to Other Months

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

In comparing the weather of September and January, both months present mild average temperatures around 21°C (70°F), but there are notable differences in precipitation and humidity. September tends to be wetter, with a total precipitation of 307 mm (12.1 in) over 30 days, while January receives significantly less, at 182 mm (7.2 in) over 25 days. Humidity is also slightly higher in September at 80% compared to 78% in January. Despite these variations, both months generally maintain a comfortable climate, making them suitable for various outdoor activities. For more detailed information, visit Roldanillo weather in January.

September and February in Roldanillo present similar temperature ranges, with September experiencing a minimum of 15°C (59°F) and an average of 21°C (70°F), while February also sees a minimum of 15°C but a slightly higher maximum of 29°C (84°F). However, September is notably wetter, with a significant 307 mm (12.1 in) of rainfall over 30 days compared to February's 235 mm (9.2 in) across 27 days. The humidity levels are also similar, with September at 80% and February at 77%. For more detailed information about February weather, visit Roldanillo weather in February.

In comparing the weather of September and March, we see that both months boast similar average temperatures, hovering around 21°C (70°F). However, September tends to have slightly cooler minimum temperatures at 15°C (59°F) compared to March’s minimum of 14°C (58°F). The maximum temperatures in March can reach up to 28°C (83°F), slightly higher than September's maximum of 27°C (81°F). Precipitation levels are quite comparable, with September seeing 307 mm (12.1 in) and March receiving 286 mm (11.3 in), both spread over 30 days and accompanied by persistent humidity at 80%. For more detailed insights, you can refer to Roldanillo weather in March.

When comparing the weather in September and April, both months feature similar average temperatures, with minimums around 15°C (59°F to 60°F) and averages of 21°C (70°F). However, April tends to be slightly warmer, reaching a maximum of 28°C (83°F) compared to September's 27°C (81°F). Precipitation is more pronounced in April, with 370 mm (14.5 in) falling over 29 days, compared to September's 307 mm (12.1 in) across 30 days. Additionally, humidity levels are slightly higher in April at 83%, compared to September's 80%. For more detailed insights, you can check Roldanillo weather in April.

When comparing the weather in September and May, both months exhibit similar average temperatures, hovering around 21°C (70°F). However, September tends to be slightly cooler at a minimum of 15°C (59°F) compared to May's minimum of 16°C (60°F). Despite their similar averages, May experiences slightly higher maximum temperatures, reaching up to 28°C (82°F) compared to September's 27°C (81°F). Precipitation levels are notably higher in May, with 411 mm (16.2 in) falling over the course of 31 days, compared to September's 307 mm (12.1 in) spread across 30 days. Additionally, humidity levels are elevated in May at 87%, compared to September's 80%. For more detailed information, you can check Roldanillo weather in May.

When comparing the weather in September and June, we find that both months share similar average temperatures, ranging from a minimum of 15°C (59°F) in September to 16°C (61°F) in June, with a maximum of 27°C (81°F) for both months. However, June experiences slightly higher precipitation at 363 mm (14.3 in) across 29 days, compared to September's 307 mm (12.1 in) over 30 days. Additionally, June is characterized by higher humidity levels at 87%, versus September's 80%. For a more detailed look at the weather in June, you can check out Roldanillo weather in June.

In comparing the weather of September and July, we find that both months experience similar temperature ranges, with minimums averaging around 15-16°C (59-61°F) and maximums peaking at 27°C (81°F). However, September tends to be slightly wetter, receiving 307 mm (12.1 in) of precipitation compared to July's 326 mm (12.8 in). Both months have the same number of rainy days—30—and maintain relatively high humidity levels, with September at 80% and July slightly higher at 85%. For more details on July weather in Roldanillo, you can check out Roldanillo weather in July.

In comparing the weather between September and August, we see that both months have similar temperature ranges, with September experiencing a minimum of 15°C (59°F), an average of 21°C (70°F), and a maximum of 27°C (81°F), while August has slightly warmer temperatures, peaking at 28°C (83°F). Precipitation levels are also comparable, with September recording 307 mm (12.1 in) and August slightly lower at 302 mm (11.9 in), both spread over 30 days. Humidity remains constant at 80% for both months, highlighting a consistently damp environment. To explore more about August’s weather, visit Roldanillo weather in August.

In September, the weather features a minimum temperature of 15°C (59°F) and peaks at 27°C (81°F), with an average of 21°C (70°F). The month experiences significant rainfall, totaling 307 mm (12.1 in) over 30 days and a humidity level of 80%. In contrast, October sees a slight increase in temperatures, with a minimum of 16°C (61°F) and a maximum of 28°C (82°F), while the average remains at 21°C (69°F). Precipitation also rises to 347 mm (13.7 in) over 30 days, contributing to a higher humidity level of 85%. For a more detailed look at weather specifics, you can visit Roldanillo weather in October.

In comparing the weather between September and November, both months offer similar average temperatures, hovering around 21°C (70°F), with November experiencing slightly higher minimum and maximum values. September sees temperatures ranging from 15°C (59°F) to 27°C (81°F), while November ranges from 16°C (61°F) to 28°C (82°F). However, November tends to be a bit wetter, with total precipitation reaching 341 mm (13.4 in) over 29 days compared to September's 307 mm (12.1 in) across 30 days. The humidity also rises in November to 87%, compared to September’s 80%. For more detailed insights, you can check Roldanillo weather in November.

In September, temperatures in Roldanillo typically range from a minimum of 15°C (59°F) to a maximum of 27°C (81°F), with an average temperature of 21°C (70°F). The month is characterized by significant rainfall, totaling 307 mm (12.1 in) over 30 days, and humidity levels are at a high 80%. In contrast, December sees slightly warmer minimum temperatures at 16°C (61°F), while the average and maximum temperatures remain unchanged. Precipitation drops to 238 mm (9.4 in), distributed across the same number of days, and humidity increases to 83%. For more insights into Roldanillo's December weather, visit Roldanillo weather in December.

Compare Roldanillo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Roldanillo

As September unfolds in Roldanillo, the weather distinctly shifts, making it one of the wettest months of the year. With high humidity levels and nearly constant precipitation, this month is characterized by a refreshing, albeit damp, atmosphere. Unlike the warmer, drier months that precede it, September sees daily rain, contributing to the lush landscapes that this region is known for. The temperatures remain mild, creating a comfortable environment for those who embrace the rain and seek out the beauty of nature during this vibrant transformation. For more detailed insights on the weather patterns throughout the year, visit Roldanillo Climate.