Last updated: August 21, 2025
Bucaramanga in September experiences a mild and humid climate, with average temperatures hovering around 16°C (61°F). Daytime highs can reach a comfortable 22°C (71°F), while nights may cool down to a brisk 11°C (52°F). This month is characterized by abundant rainfall, with a staggering precipitation total of 549 mm (21.6 in) spread across 30 days, contributing to a humidity level of 78%. Visitors and locals alike should prepare for a moist atmosphere and potential afternoon showers, making it essential to embrace both the lush surroundings and vibrant culture that thrive during this rainy season.
In September, Bucaramanga experiences mild and consistent temperatures, with minimums around 11°C (52°F) and maximums peaking at 22°C (71°F). This trend of stable, pleasant weather continues from previous months, with an average temperature holding steady at 16°C (61°F). The early fall retains the city's characteristic mildness, allowing residents and visitors alike to enjoy outdoor activities comfortably. As the month progresses into October, this pattern of moderate temperatures persists, emphasizing Bucaramanga's inviting climate throughout the year. Thus, September serves as a delightful bridge, seamlessly transitioning from the more humid summer months to the cooler days ahead.
In September, Bucaramanga experiences a significant precipitation total of 549 mm (21.6 in), making it a crucial month in the city's rainy season. This amount reflects a notable drop from the peak wet months of May and June, where rainfall reaches heights of 800 mm and 893 mm, respectively. Despite this decrease, September remains among the wetter months, maintaining a robust 30 days of rain that contribute to the region's lush landscapes. As the city transitions into the drier months of October and November, where rainfall totals decrease but still exceed 480 mm, this monsoon-like rhythm underscores the climatic patterns that shape Bucaramanga's environment and eco-diversity.
In September, Bucaramanga, Colombia experiences humidity levels around 78%, reflecting a slight decrease from the peak humid months of June and July, which both reached 88%. This transitional period marks a shift from the intense moisture of the rainy season, with humidity gradually easing as the region moves toward the drier months. Notably, the humidity begins to rise significantly starting in May, peaking in June and July, before experiencing a gradual decline through September and aligning closer to the more moderate levels seen at the beginning of the year. As such, September presents a unique time where the atmosphere is still rich but begins to hint at the drier conditions that await in the coming months.
In Bucaramanga, Colombia, September continues the trend of extreme UV Index levels prevalent throughout the year, peaking at 14. This consistent intensity, characterized by a burn time of just 10 minutes, underscores the necessity for sun protection. Following a series of similar readings in the preceding months, including an impressive 16 in April and 15 in March, September's UV Index remains high, signaling that residents and visitors should remain vigilant against sun exposure. As the year progresses, the UV Index gradually decreases, suggesting a slight respite in the later months. For complete insights and daily updates, check the Bucaramanga UV Index.
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In September, Bucaramanga enjoys a delightful blend of sunshine with 198 hours of golden rays, slightly dipping from the vibrant warmth of August. This month marks a transition as the days start to shorten, yet it still provides plenty of opportunities to bask in the sun. Following the highs of January and February, which boast over 245 hours of sunshine, September's figure maintains a favorable balance as part of the region's overall sunny disposition throughout the year. As the city prepares to welcome the more temperate months ahead, this sustained brightness in September showcases Bucaramanga's charm, making it a delightful time for outdoor activities amidst a backdrop of beautiful tropical weather.
In Bucaramanga, Colombia, September presents a modest 12% chance of sunny weather, nestled among a month-to-month variation that highlights a trend towards lower sunlight as the year progresses. The rainier months from May to August see an even sharper decline, with April and May recording some of the lowest chances at 5% and 4%. Conversely, the bright start to the year, particularly in January with an impressive 41%, contrasts sharply with the incoming clouds of early fall. As the year unfolds, though September offers a slight uptick over the summer, it still remains a time when sunshine is fleeting, setting the stage for the approaching rainy season.
In Bucaramanga, Colombia, September marks a continuation of the city's steady daylight pattern, boasting 12 hours of daylight, consistent with the months of March through August. This indicates a notable stability in daylight hours as the year progresses towards the equinoxes. Following September, daylight begins to dwindle, shifting to 11 hours in October and remaining at that duration through December. This gradual decline highlights Bucaramanga's unique position near the equator, where daylight remains relatively constant throughout the year, offering residents and visitors alike a vibrant mix of daylight experiences across the seasons.
As September rolls in, Bucaramanga experiences a gentle breath of air with an average wind speed of 1.1 m/s (2 mph), maintaining the calm, tranquil atmosphere that's typical for this time of year. The city's wind patterns show a subtle decline over the summer months, with July and August reaching a mild peak before softening in September. This pattern aligns with the overall trend of the year, where wind speeds remain fairly consistent but slightly higher in the earlier months. As the seasons transition, residents and visitors alike can embrace the soothing winds, perfect for leisurely strolls in the picturesque parks and vibrant streets of Bucaramanga.
Weather in Bucaramanga varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bucaramanga, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather typically features a minimum temperature of 11°C (52°F) and averages around 16°C (61°F), with maximum temperatures reaching 22°C (71°F). This month experiences significant rainfall, with a total precipitation of 549 mm (21.6 in) spread over 30 days, contributing to a high humidity level of 78%. In contrast, January has a slightly lower minimum temperature of 8°C (47°F) while still averaging 16°C (60°F) and achieving similar maximum temperatures of 22°C (72°F). However, January sees much less rain, with only 178 mm (7.0 in) of precipitation over 21 days and a humidity level of 52%. For more insights on January weather, check out Bucaramanga weather in January.
In September, Bucaramanga experiences a cooler climate, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 22°C (71°F), while February sees slightly lower minimum temperatures at 9°C (49°F) but peaks at a comparable 23°C (74°F). Notably, September is significantly wetter, receiving 549 mm (21.6 in) of rain over 30 days, in stark contrast to February's much drier conditions with only 134 mm (5.3 in) spread over 23 days. Additionally, the humidity in September remains high at 78%, while February offers a more comfortable level at 47%. For a detailed look at February's weather, visit Bucaramanga weather in February.
In September, the weather is characterized by cooler temperatures with a range of 11°C (52°F) to a maximum of 22°C (71°F). This month sees substantial rainfall, averaging 549 mm (21.6 in) across 30 days, coupled with a high humidity level of 78%. In contrast, March exhibits slightly warmer conditions, with temperatures ranging from 11°C (52°F) up to 23°C (73°F). While it also experiences precipitation almost every day, the total rainfall is significantly lower at 372 mm (14.6 in) and the humidity drops to a more comfortable 45%. For more details on the climate during this month, check out Bucaramanga weather in March.
September and April showcase relatively similar average temperatures, with September exhibiting a range between 11°C (52°F) to 22°C (71°F) and April slightly warmer, ranging from 10°C (51°F) to 23°C (74°F). However, September experiences significantly higher humidity at 78%, compared to April's more comfortable 54%. Precipitation levels are also quite comparable; September sees 549 mm (21.6 in) of rain, while April is just slightly less at 542 mm (21.3 in), both spread over 30 days. For more detailed insights on April weather, you can explore Bucaramanga weather in April.
Comparing the weather in September and May reveals some interesting similarities and differences. Both months have a minimum temperature around 11°C (51-52°F) and a relatively comfortable average temperature, with September averaging 16°C (61°F) and May slightly warmer at 17°C (62°F). However, May generally experiences slightly warmer maximum temperatures, reaching up to 23°C (74°F), compared to September's maximum of 22°C (71°F).
In terms of precipitation, May is notably wetter, with 800 mm (31.5 in) over 31 days, while September sees 549 mm (21.6 in) across 30 days. This results in higher humidity levels in May at 81%, compared to 78% in September. For more details on May weather, check this link: Bucaramanga weather in May.
September and June in Bucaramanga exhibit similar temperature profiles, with both months experiencing minimum temperatures around 11°C (52°F), average temperatures of 16°C (61°F), and maximums reaching 22°C (71-72°F). However, June stands out with significantly higher precipitation levels, totaling 893 mm (35.1 in) compared to September's 549 mm (21.6 in), indicating a wetter climate during the early summer. Additionally, June's humidity is notably higher at 88%, in contrast to September's 78%, contributing to a more humid feel throughout the month. For a more detailed look at the weather in June, you can visit Bucaramanga weather in June.
When comparing the weather in September and July, both months exhibit similar temperature ranges, with minimums around 11°C (52°F), averages of 16°C (61°F), and maximums peaking at 22°C (71°F). However, July is significantly wetter, receiving 881 mm (34.7 in) of precipitation over 31 days, compared to September's 549 mm (21.6 in) across 30 days. Additionally, July has a higher humidity level at 88%, while September's humidity is slightly lower at 78%. For a closer look at July's weather specifics, you can check out Bucaramanga weather in July.
In comparing the weather of September and August, we notice that both months share similar temperature ranges, with a minimum of 11°C (52°F), an average of 16°C (61°F), and a maximum of around 22°C (71°F). However, September experiences slightly less precipitation, totaling 549 mm (21.6 in) over 30 days, compared to August's higher 731 mm (28.8 in) over 31 days. Additionally, humidity levels in September average 78%, which is slightly lower than August's 82%. For more detailed insights, you can check Bucaramanga weather in August.
In both September and October, the temperatures remain quite similar, with minimums of 11°C (52°F), averages of 16°C (61°F), and maximums around 22°C (71-72°F). However, October experiences a notable increase in precipitation, with 690 mm (27.1 in) falling over 31 days, compared to September's 549 mm (21.6 in) across 30 days. Additionally, October's humidity rises to 83%, slightly higher than September's 78%, contributing to a wetter and more humid atmosphere. For more detailed information, you can check the Bucaramanga weather in October.
In September, the weather showcases warm temperatures ranging from a minimum of 11°C (52°F) to a maximum of 22°C (71°F), with an average of 16°C (61°F). This month is characterized by high precipitation, totaling 549 mm (21.6 in) over 30 days, and a humidity level of 78%. Conversely, November features a similar temperature profile, with minimums at 10°C (51°F) and the same maximum and average temperatures as September. However, it experiences slightly less precipitation at 483 mm (19.0 in) while maintaining a high humidity level of 83%. The consistent temperatures and high humidity in both months make them quite similar, yet November tends to be a bit wetter. For more details, you can check Bucaramanga weather in November.
In September, Bucaramanga experiences slightly warmer temperatures with a minimum of 11°C and an average of 16°C, reaching a maximum of 22°C. The month is characterized by high precipitation, totaling 549 mm over 30 days, coupled with humidity levels around 78%. In contrast, December sees a slightly cooler minimum temperature of 9°C, yet maintains the same average and maximum temperatures of 16°C and 22°C, respectively. Precipitation in December is significantly lower at 312 mm, spread over 29 days, and humidity drops to 70%. For a detailed look at what to expect, check out Bucaramanga weather in December.
As September unfolds in Bucaramanga, it brings a unique blend of mild temperatures and a significant amount of rain, setting it apart from the drier months that precede it. With humidity levels soaring to 78% and an impressive 549 mm of rainfall across the month, the city experiences a lush and vibrant atmosphere. While the average temperature remains comfortable, the frequent showers can transform the landscape and offer a refreshing contrast to the relatively drier spells of the year. For those curious about the overall trends and patterns, a deeper dive into the region's climate can be explored at Bucaramanga Climate.