September Weather in Santa Catalina, Colombia

Last updated: August 21, 2025

In Santa Catalina, Colombia, the weather in September is characterized by a warm climate with maximum temperatures reaching up to 36°C (97°F) and an average of 28°C (82°F), making it an ideal time for those who enjoy the heat. However, visitors should be prepared for significant precipitation, with an impressive 206 mm (8.1 in) of rain accumulated over 28 days. This results in a high humidity level of 85%, creating a lush, tropical environment. Travelers should plan accordingly, balancing sun-soaked adventures with comfortable downtime during the frequent showers.

September Temperature in Santa Catalina

In September, Santa Catalina, Colombia, typically experiences warm temperatures that are characteristic of its tropical climate. The average temperature hovers around 28°C (82°F), with minimums of 24°C (75°F) and maximums reaching up to 36°C (97°F). This month maintains a consistent warmth, similar to the preceding months, but shows a slight dip in maximum temperatures compared to the peak heat of April. As September transitions into the fall season, visitors can expect pleasantly warm days, perfect for enjoying the stunning coastline, while the evenings remain comfortably mild. The trend in September signals a gradual cooling as the year winds down, yet it still offers a vibrant and inviting atmosphere for travelers.

September Weather in Santa Catalina: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Catalina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Catalina, 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).
JanFebMarAprMayJunJulAugSepOctNovDec838484848383838382818282
Data source: Temperature data for Santa Catalina 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 Santa Catalina

September in Santa Catalina, Colombia, continues a trend of significant rainfall as it receives 206 mm (approximately 8.1 in) of precipitation over 28 days. This marks a slight decrease compared to the previous month, August, which recorded 212 mm (8.4 in) but maintains the region's characteristic lush and vibrant landscape. The consistent presence of rain throughout these months underscores a pattern of high humidity and frequent showers typical of the wet season. As the year progresses, October is expected to bring similar conditions, with precipitation levels hovering around 214 mm (8.4 in), solidifying September's status as part of a dynamic and rain-soaked segment of the calendar year in this beautiful Colombian locale.

September Precipitation Trends in Santa Catalina

The chart displays monthly precipitation patterns in Santa Catalina, 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 Santa Catalina, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec135269920118815521220621415437
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Santa Catalina

In September, Santa Catalina, Colombia, experiences a humidity level of 85%, maintaining the high moisture trend established in the preceding midsummer months. After a peak in July with 87% humidity, the levels have slightly eased but remain elevated alongside August's 85%. This consistent humidity pattern underscores the region's tropical climate, with an overall tendency for increased moisture during the latter half of the year. Following September, humidity dips slightly in October to 83%, suggesting a gradual transition as the year approaches its close. The sustained humidity levels throughout these months highlight the island's enveloping tropical embrace, making it a warm and inviting destination.

September Average Humidity in Santa Catalina

This chart illustrates the average monthly humidity levels in Santa Catalina, 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 Santa Catalina is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%77%77%79%79%85%87%85%85%83%82%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Catalina

In September, Santa Catalina, Colombia, maintains a UV Index of 13, categorizing it as extreme and meaning how quickly one can burn is just 10 minutes. This month continues the trend seen throughout the year, where residents and visitors alike need to be conscious of their sun exposure, with most months recording a high index between 12 and 14. Such consistency in UV levels signals the importance of protective measures to safeguard against sunburn, making appropriate sunscreen application and seeking shade essential. For more insights into the UV index trends throughout the year, visit Santa Catalina UV Index.

Maximum UV Index Levels in Santa Catalina for September

The chart shows the monthly maximum UV Index (UVI) for Santa Catalina 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 Santa Catalina typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141313121313131110
Data source: Santa Catalina 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 Santa Catalina

September in Santa Catalina, Colombia, offers a delightful glimpse of sunshine, with 261 hours of bright skies to enjoy. This month transitions from the peak of summer, where March boasts a vibrant 336 hours of sunshine, into the cooler autumnal months. While September sees a slight dip in sunlight compared to the balmy summer, it still aligns closely with the previous month, August, which recorded 268 hours. The trend reveals a gentle ebb and flow of sunlight throughout the year, culminating in robust sunshine during the early months and a gradual tapering toward the end of the year, as December basks in a cozy 327 hours. So whether you're lounging on the beaches or exploring the vibrant landscape, September's sun in Santa Catalina remains a charming refuge of warmth and light.

Monthly Sunshine Duration in Santa Catalina: September Highlighted

The September sunshine duration represents the total number of hours Santa Catalina 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.
JanFebMarAprMayJunJulAugSepOctNovDec267h309h336h302h266h263h288h268h261h281h284h327h
Data source: Santa Catalina September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Catalina During September

In Santa Catalina, Colombia, the likelihood of sunny weather tends to fluctuate significantly throughout the year. Notably, September sees a mere 13% chance of sunny skies, placing it among the least favorable months for sunshine. This decline in sunny days follows the peak in early months like January (60%) and February (70%), gradually tapering off as spring transitions into a wetter season. April through August experiences particularly low chances of sun, with September maintaining the trend of cloudy conditions. As the year progresses, the likelihood of brighter days does improve heading into late fall, with November bumping up to 25%. Overall, if you’re hoping for radiant sunshine in September, it might be best to keep expectations in check.

Percentage of Sunny Days in September in Santa Catalina

The chart illustrates the percentage of sunny days in Santa Catalina 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 Santa Catalina experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%70%48%15%14%19%24%13%14%16%25%41%
Data source: Santa Catalina September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Catalina in September

In Santa Catalina, Colombia, the rhythm of daylight throughout the year reveals a notable pattern that enhances its tropical charm. From January to February, residents enjoy a steady 11 hours of sunlight, setting a warm foundation for the months ahead. As spring approaches in March, daylight blooms to 12 hours, a trend that continues uninterrupted through the summer months until August. In September, this generous 12-hour duration persists, providing ample time to bask in the vibrant culture and stunning landscapes. As autumn approaches, daylight begins to recede again, returning to 11 hours in October. This harmonious cycle of light not only enriches daily life but also highlights Santa Catalina's enchanting tropical ambiance throughout the year.

Average Daylight Hours in Santa Catalina for September

The chart illustrates the variation in daylight duration in Santa Catalina throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 34m11h 46m12h 3m12h 21m12h 36m12h 43m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m
Data source: Santa Catalina daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Santa Catalina

As September unfolds in Santa Catalina, Colombia, the average wind speed settles at a gentle 1.7 m/s (4 mph), marking a consistent lull in the breezy rhythm that characterizes the region. After peaking in March at 3.5 m/s (8 mph), wind speeds have shown a gradual decline, with the summer months experiencing notably calmer conditions. This trend continues into September, which reflects a slight dip from August’s 1.9 m/s (4 mph), suggesting a tranquil atmosphere perfect for relaxation and exploration. With softer breezes preceding the year-end, visitors can anticipate serene days that invite leisurely strolls along the coast, minimal distractions, and the idyllic charm that Santa Catalina is renowned for. Overall, the softening winds signal a transition to a more peaceful phase in this enchanting destination.

Average September Wind Speed in Santa Catalina

The chart displays monthly wind speed patterns in Santa Catalina, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.13.52.41.91.62.11.91.7 m/s1.71.82.6
Data source: Santa Catalina September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Santa Catalina Compares to Other Months

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

In September, the weather is characterized by warm temperatures ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), with an average of around 28°C (82°F). This month's high level of humidity at 85% and significant precipitation of 206 mm (8.1 in) over 28 days create a notably damp atmosphere. In contrast, January sees slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum reaching 37°C (100°F), while maintaining an average similar to September at 28°C (83°F). However, January experiences much less rainfall, with only 13 mm (0.5 in) over just 3 days, and the humidity decreases to 77%. For more details about January weather, check out Santa Catalina weather in January.

When comparing the weather in September to that in February, significant differences emerge. September experiences higher overall humidity at 85% and substantial rainfall, totaling 206 mm (8.1 in) over 28 days, resulting in a much wetter climate. In contrast, February boasts a drier atmosphere with virtually no rainfall, recording only 5 mm (0.2 in) over the month, and lower humidity at 77%. Temperature-wise, September has a minimum of 24°C (75°F) and an average of 28°C (82°F), while February has a slightly warmer minimum of 22°C (72°F) and an average of 29°C (84°F), peaking at a maximum of 37°C (99°F). For more details on February weather patterns, check out Santa Catalina weather in February.

When comparing the weather in September and March, notable differences emerge. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), with an average temperature of 28°C (82°F). This month also sees significant rainfall, with 206 mm (8.1 in) measured over 28 days and high humidity at 85%. In contrast, March features slightly warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 38°C (101°F) and an average of 29°C (84°F). However, March experiences much lower precipitation, with only 26 mm (1.0 in) over just 5 days, and lower humidity at 77%. For a detailed look at March weather, you can visit Santa Catalina weather in March.

In comparing the weather of September and April, we see some notable differences. September tends to be slightly cooler on average, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), while April can reach higher highs, maxing out at 40°C (104°F) with an average temperature of 29°C (84°F). Precipitation is another significant factor; September experiences much higher rainfall at 206 mm (8.1 in) over 28 days, compared to April's 99 mm (3.9 in) over 20 days. Additionally, September holds higher humidity levels at 85%, while April’s humidity is comparatively lower at 79%. For more details, check out Santa Catalina weather in April.

In comparing the weather patterns of September and May, both months exhibit similar minimum and average temperatures, typically around 24°C (75°F) and 28°C (82°F), respectively. However, May tends to be slightly warmer, with a maximum temperature reaching 38°C (101°F), compared to September's 36°C (97°F). Precipitation levels in both months are relatively high, with September receiving 206 mm (8.1 in) over 28 days and May slightly less at 201 mm (7.9 in) over 26 days. Additionally, humidity levels are higher in September at 85%, while May experiences a more comfortable 79%. For a closer look at May's weather specifics, visit Santa Catalina weather in May.

In comparing the weather of September and June, we find striking similarities and slight differences. Both months have a minimum temperature of approximately 24°C (75°F-76°F), with average highs reaching around 28°C (82°F-83°F) and maximum temperatures peaking at 36°C (97°F-98°F). However, September experiences slightly more precipitation, totaling 206 mm (8.1 in) over 28 days, compared to June's 188 mm (7.4 in) over 26 days. Despite these differences, the humidity remains consistently high at 85% for both months, creating a humid atmosphere throughout. For more specific details about the climate, you can refer to Santa Catalina weather in June.

When comparing the weather in September and July, both months exhibit similar temperature patterns, with minimal differences in their averages. September has a minimum temperature of 24°C (75°F) and an average of 28°C (82°F), while July also starts at 24°C (75°F) but slightly rises to an average of 28°C (83°F). The maximum temperature in July reaches 37°C (99°F), which is just a degree higher than September’s peak of 36°C (97°F). In terms of precipitation, September experiences more rain with 206 mm (8.1 in) over 28 days compared to July's 155 mm (6.1 in) across 24 days, leading to a slightly higher humidity level in September at 85% compared to July’s 87%. This elevated humidity could contribute to a more oppressive feel during September. For further insights into July weather patterns, you can refer to Santa Catalina weather in July.

In comparing the weather patterns of September and August, one can observe some notable similarities and slight variations. Both months exhibit high average temperatures, with September ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), while August sees temperatures ranging from a minimum of 23°C (74°F) to a slightly higher maximum of 37°C (99°F). Precipitation levels are quite comparable as well, with September receiving 206 mm (8.1 in) and August slightly higher at 212 mm (8.4 in), both occurring over 28 days. Humidity remains constant at 85% for both months, resulting in a consistently muggy atmosphere. For a more detailed look at August weather, you can visit Santa Catalina weather in August.

September and October both showcase warm temperatures, with September having a slightly higher maximum of 36°C (97°F) compared to October's 34°C (93°F). The average temperatures are quite similar, with September averaging 28°C (82°F) and October showing a slight decrease to 27°C (82°F). Precipitation increases slightly in October, totaling 214 mm (8.4 in), compared to 206 mm (8.1 in) in September, though both months experience rain on about 28 days and similar humidity levels, around 83% in October and 85% in September. For a more detailed look at the weather patterns, check out Santa Catalina weather in October.

In comparing the weather between September and November, we find that both months share similar average temperatures, with September experiencing a slightly higher maximum of 36°C (97°F) compared to November’s 35°C (95°F). However, September is marked by more rainfall, accumulating 206 mm (8.1 in) over 28 days, while November sees a decrease to 154 mm (6.1 in) across 24 days. Additionally, humidity levels are marginally lower in November at 82%, compared to September's 85%. For more detailed insights into November weather, you can visit Santa Catalina weather in November.

September and December weather show notable differences despite having similar average temperatures. In September, the temperatures range from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), coupled with high humidity at 85% and significant rainfall of 206 mm (8.1 in) over 28 days. In contrast, December features slightly cooler temperatures, with a max of 35°C (96°F), and markedly less precipitation, totaling only 37 mm (1.5 in) over 9 days, and lower humidity at 78%. This makes December much drier and more comfortable overall. For more specifics on December conditions in Santa Catalina, visit Santa Catalina weather in December.

Compare Santa Catalina's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Santa Catalina

As September rolls in, Santa Catalina experiences a unique weather pattern that sets it apart from the drier months of the year. With average temperatures hovering around a warm 28°C (82°F), the island's charm is accompanied by a notable increase in humidity, reaching about 85%. This month is characterized by a significant amount of rain, leading to 28 days of precipitation and totaling 206 mm (8.1 in), making it a particularly lush time for the region. While temperatures can peak at a sweltering 36°C (97°F), the frequent showers provide a refreshing contrast, transforming the landscape into a vibrant green oasis. For a deeper dive into the climate nuances of this enchanting destination, visit Santa Catalina Climate.