Last updated: August 21, 2025
September in Bolivar, Colombia showcases a dynamic climate characterized by an average temperature of 18°C (65°F), with daily highs reaching up to 26°C (78°F) and cool nights dipping to around 11°C (51°F). This month is marked by substantial precipitation, totaling 453 mm (17.9 in) across 29 days, creating a lush and vibrant landscape. Humidity levels hover around 64%, contributing to a feeling of warmth and a slightly tropical ambiance. Bolivar in September offers a unique blend of warmth and moisture, perfect for those seeking to experience the region's rich natural beauty.
In September, Bolivar, Colombia experiences pleasant temperatures that evoke a sense of comfort and mildness. The month sees a minimum temperature of around 11°C (51°F), while average temperatures remain stable at 18°C (65°F), peaking at a maximum of 26°C (78°F). This consistency in temperature throughout September mirrors the preceding months, where the patterns yield a trend of comfortable warmth, making it an ideal time for outdoor activities. As autumn approaches, the weather remains reliably mild, maintaining the inviting climate that Bolivar is known for, offering both locals and visitors a delightful respite from the heat.
In September, Bolivar, Colombia, experiences a substantial rainfall, with 453 mm (17.9 in) accumulated over 29 days. This month marks the tail end of the wet season, showcasing a significant drop from the peak precipitation recorded in May (595 mm) but still maintaining a high moisture level indicative of the region's tropical climate. With almost a full month of rainy days, September's weather prepares the lush landscape for the gradual transition into the drier months ahead. Despite the decrease in rainfall compared to the preceding months, the consistent precipitation reinforces Bolivar's reputation as one of the wettest regions, emphasizing the rhythm of its climatic cycles.
September in Bolivar, Colombia, sees a notable shift in humidity levels, averaging 64%, which reflects a transition from the peak months of June and July, where humidity soars to almost 92% and 89% respectively. After the extremely humid months preceding it, September offers a slight relief, aligning better with the more moderate conditions of April (63%) and October (67%). This gradual decline hints at the beginning of the seasonal changes, paving the way for a gradual increase in humidity as the year moves towards its end. The overall trend indicates that while September is part of the wet season, it provides a welcome respite before the humidity settles back into the higher ranges typical for the latter part of the year.
In September, Bolivar, Colombia maintains its trend of intense sun exposure, featuring a UV Index of 14, categorized as extreme. This consistent level of UV radiation shows that the region experiences minimal fluctuations throughout the year, with burn time remaining a brisk 10 minutes across many months. Following a similar trend from August, residents and visitors alike should remain vigilant about sun safety and protection. As the months transition from summer to fall, the UV levels slightly dip but still warrant caution. For comprehensive information on UV trends and safety tips, check out the detailed insights at Bolivar UV Index.
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September in Bolivar, Colombia, is a radiant month with an impressive 295 hours of sunshine, making it one of the sunniest times of the year. Following a summer peak in August with 316 hours, September maintains a high light count, showcasing a trend of abundant sunshine that generally prevails throughout the year. As the rainy season approaches in October, which dips slightly to 291 hours, September serves as a delightful bridge between the summer's peak brightness and the upcoming transition. This month highlights Bolivar’s consistent allure of warm days, perfect for enjoying outdoor activities amidst the stunning Colombian landscape.
In Bolivar, Colombia, the likelihood of sunny weather shows distinct seasonal trends throughout the year. September sees a moderate chance of sunshine at 16%, a figure slightly lower than the month's preceding summer months but consistent with the overall dip in sunny days during the rainy season. Notably, the chance of sun is generally higher in the beginning of the year, peaking in January at 36%, while the late months of the year like November and December also bring a resurgence, reaching around 18% and 16%, respectively. These patterns suggest that if you’re hoping for bright days in September, it's wise to prepare for some clouds along with the occasional sun break.
In Bolivar, Colombia, September brings a continuation of pleasant daylight, with a consistent 12 hours illuminating the landscape, mirroring the long days of the previous five months. As the year progresses from January's steady 11 hours to the vibrant 12 hours starting in March, it's clear that Bolivar enjoys a remarkable balance of daylight throughout much of the year. Following September, the days begin to shorten again, shifting back to 11 hours in October. This steady rhythm of daylight creates an inviting atmosphere, making Bolivar an appealing destination for those who relish extended hours of sunshine.
September in Bolivar, Colombia, marks a continuation of the region's characteristic mild breezes, with an average wind speed remaining steady at 1.0 m/s (2 mph). This consistency reflects a broader trend that begins in the middle of the year, where wind speeds are notably calm across the months of June through September. As the year transitions into the cooler months, the gentle winds persist, providing a tranquil atmosphere that enhances the region's charm. Despite slight fluctuations at the beginning of the year, the overall pattern showcases Bolivar's serene climatic conditions, perfect for enjoying outdoor activities amid pleasant, breezy weather.
Weather in Bolivar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bolivar, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures range from a minimum of 11°C (51°F) to a maximum of 26°C (78°F), with an average of around 18°C (65°F). The month is quite rainy, receiving 453 mm (17.9 in) of precipitation over 29 days, contributing to a humidity level of 64%. In contrast, January experiences slightly cooler temperatures, with a minimum of 8°C (47°F) and the same maximum of 26°C (80°F), yet maintaining the same average of 18°C (65°F). Precipitation is significantly lower in January, with just 109 mm (4.3 in) spread over 17 days and a humidity level of 51%. For more detailed information about January weather, you can visit Bolivar weather in January.
In comparing the weather between September and February, September tends to be cooler with average temperatures ranging from 11°C (51°F) to 26°C (78°F), while February, while still mild, shows a slightly higher range from 9°C (48°F) to 28°C (83°F). February also benefits from lower precipitation levels, with only 125 mm (4.9 in) falling over 21 days, compared to September's substantial 453 mm (17.9 in) spread over 29 days. Additionally, February experiences lower humidity at 46%, making it feel drier than the 64% humidity typical of September. For more details, you can check out Bolivar weather in February.
In comparing the weather of September and March, we find some notable similarities and differences. Both months have an average temperature of around 18°C (65°F), with minimum temperatures hovering around 11°C (51°F) to 11°C (52°F). However, March tends to be slightly warmer, reaching a maximum of 27°C (81°F) compared to September's 26°C (78°F). Precipitation levels reveal a significant contrast, with September experiencing 453 mm (17.9 in) over 29 days, while March sees a reduction to 312 mm (12.3 in) across 28 days, contributing to a much lower humidity level of 49% in March compared to the 64% in September. For more details about the climate during this month, refer to Bolivar weather in March.
In September, the weather tends to be slightly cooler, with minimum temperatures averaging around 11°C (51°F) and maximum temperatures reaching up to 26°C (78°F), while April sees a slightly higher minimum of 12°C (54°F) but similarly maxes out at 26°C (79°F). Both months share an average temperature of 18°C (65°F), indicating consistent mildness throughout. Precipitation levels are quite similar as well, with September receiving 453 mm (17.9 in) and April experiencing 447 mm (17.6 in), both spread over 29 days. The humidity levels are comparable too, with September at 64% and April at 63%. For a closer look at April's weather specifics, you can visit Bolivar weather in April.
When comparing the weather in September and May, both months exhibit mild temperatures, with average highs around 26°C (79°F). However, September sees slightly cooler conditions, with an average temperature of 18°C (65°F) compared to May's 19°C (66°F). In terms of precipitation, May is notably wetter, receiving 595 mm (23.4 in) over 31 days, which is significantly higher than September's 453 mm (17.9 in) across 29 days. Additionally, humidity levels are higher in May at 85%, compared to September’s 64%, making May feel more humid and damp. For detailed weather conditions in May, you can check Bolivar weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, ranging from a minimum of 11°C to 12°C and peaking at 26°C. However, June is notably wetter, receiving 535 mm of precipitation over 30 days, compared to September's 453 mm over 29 days. Additionally, June boasts a higher humidity level of 92%, while September's humidity averages around 64%. For those interested in more details, you can find specific information about June weather in Bolivar here: Bolivar weather in June.
In comparing the weather of September and July, both months share similar average temperatures, hovering around 18°C (65°F), with maximums reaching 26°C (78°F) in September and slightly higher at 80°F in July. However, July experiences a bit more precipitation at 488 mm (19.2 in) over 31 days, compared to September's 453 mm (17.9 in) spread over 29 days. Additionally, the humidity levels are notably higher in July, at 89%, compared to September's more comfortable 64%. For more details on July's weather, you can refer to Bolivar weather in July.
Both September and August exhibit similar temperature ranges, with September showing a slight increase in maximum temperature at 26°C (78°F) compared to August's 25°C (78°F). However, September is characterized by significantly higher precipitation, totaling 453 mm (17.9 in) over 29 days, compared to August's 377 mm (14.8 in) under the same number of wet days. Humidity in September is lower at 64%, while August experiences a higher humidity level of 73%. This makes September a wetter yet slightly more temperate month, whereas August, while still rainy, feels more humid overall. For more details on August weather conditions, you can check Bolivar weather in August.
September and October weather show some similarities but also notable distinctions. Both months have an average temperature of 18°C (65°F); however, September tends to have slightly warmer maximum temperatures averaging 26°C (78°F), compared to October's 25°C (77°F). Precipitation increases in October, with a total of 492 mm (19.4 in) over 30 days, whereas September experiences 453 mm (17.9 in) across 29 days. Additionally, humidity levels rise from 64% in September to 67% in October, indicating a slightly more humid atmosphere as October progresses. For more detailed information, check out Bolivar weather in October.
In September, the weather features a wider temperature range with a minimum of 11°C (51°F) and a maximum of 26°C (78°F), leading to an average of 18°C (65°F). The month is marked by significant rainfall, accumulating to 453 mm (17.9 in) over 29 days, while humidity levels sit at 64%. In contrast, November experiences slightly cooler conditions, with a minimum of 10°C (51°F) and a maximum of 25°C (77°F), but maintains the same average of 18°C (65°F). The precipitation during this month is notably reduced to 255 mm (10.0 in), also spread across 29 days, and the humidity increases to 73%. For more detailed information, you can check Bolivar weather in November.
September and December exhibit fairly similar temperature ranges, with both months averaging around 18°C (65°F). September, however, tends to be slightly warmer at its maximum temperature of 26°C (78°F), while December reaches a peak of 24°C (76°F). One of the most notable differences is in precipitation; September experiences significantly heavier rainfall with 453 mm (17.9 in) collected over 29 days, compared to December's much lighter 159 mm (6.2 in) over 27 days. Both months maintain comparable humidity levels, hovering around 64-66%. For a more detailed look at December weather specifics, visit Bolivar weather in December.
As September unfolds in Bolivar, the weather showcases a distinctive character that sets it apart from other months. With comparatively cooler temperatures and high humidity levels, this month often feels refreshingly crisp, even as it brings substantial rainfall. The persistent drizzle, spanning nearly every day, infuses the landscape with vibrant greenery, making it a unique time for nature enthusiasts. This marked increase in precipitation and cooler averages outlines a compelling shift, emphasizing the area's diverse climate. For a deeper understanding of Bolivar's weather patterns throughout the year, explore the detailed Bolivar Climate page.