Last updated: August 21, 2025
Experience the vibrant weather of Bolivar, Colombia, in September, where temperatures typically peak at a comfortable 27°C (81°F) and hover around an average of 20°C (69°F), dipping to a minimum of 14°C (57°F). This month is characterized by considerable rainfall, averaging 250 mm (9.8 in) spread over 28 days, creating a lush, green landscape. With humidity levels reaching 80%, the environment feels tropical, perfect for those who appreciate the charm of a rainy season. Whether you're exploring the scenic beauty or indulging in local culture, September in Bolivar offers a unique atmosphere that captivates every visitor.
In September, temperatures in Bolivar, Colombia, begin to transition slightly, reflecting the arrival of the latter part of the year. With a minimum temperature of 14°C (57°F), an average of 20°C (69°F), and a maximum of 27°C (81°F), the month maintains the generally mild climate characteristic of the region throughout the year. Notably, September sees a dip in average temperature compared to the preceding months, which typically hover around 21°C (70°F). This slight decrease hints at the onset of cooler days, while the max temperatures still offer a pleasant warmth for outdoor pursuits. As the month progresses, it provides an inviting backdrop for those seeking to explore Bolivar's vibrant culture and stunning landscapes.
In September, Bolivar, Colombia experiences a notable shift in precipitation dynamics, receiving 250 mm (9.8 in) of rain over 28 days. While this marks a decrease from the peak rainfall observed in the preceding months of May and April, it still contributes to the region's lush, verdant landscape. This transitional month sits amidst a continuous pattern of heavy rainfall that typifies the area from January through November, though September's totals are relatively milder compared to the intense downpours of earlier in the year. The consistent frequency of rainy days across the months underscores Bolivar's reputation for a wet climate, making the shift in September a gentle reminder of the changing seasons while maintaining the region's rich biodiversity and vibrant ecosystem.
In Bolivar, Colombia, the humidity levels in September hover at a comfortable 80%, reflecting a slight dip from the wetter months of May and June, which are characterized by higher humidity at 87%. As the year progresses, there is a notable trend of increasing humidity from January's 78% to April's 83%, peaking in the late spring and early summer months. Following this peak, a decrease occurs in July and August, before stabilizing again in September, October, and November, where levels remain consistently high, typically around 85%. This pattern suggests a rhythm to Bolivar’s humidity, aligning with seasonal changes that contribute to its lush, vibrant climate.
In September, Bolivar, Colombia maintains a UV Index of 14, classified as extreme, with a consistent burn time of just 10 minutes—similar to the preceding summer months. This trend showcases the region's intense sun exposure throughout the year, where the UV Index remains alarmingly high from January to April, peaking at 17 in April, before stabilizing at lower yet still hazardous levels in the fall and winter months. Even as the seasons change, residents and visitors must remain vigilant in protecting themselves from harmful sun rays. To learn more about the UV Index trends in Bolivar, check out Bolivar UV Index.
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September in Bolivar, Colombia, continues the pattern of warm, sun-filled days, boasting an impressive 191 hours of sunshine. This month stands out as a transitional time, following August's 204 hours, which is one of the sunniest months of the year. The light starts to mellow as the rainy season approaches, offering a gentle decline from the peak sunshine of late summer. Notably, the hours in September surpass the totals seen earlier in the year, paving the way into the drier months that feature more variable weather patterns. As the year progresses, sunshine tends to dip down towards the end of the calendar, with October and November reflecting lower counts at 152 and 146 hours, respectively. This trend highlights Bolivar’s distinctive climate, where the vibrant sunshine of September beautifully bridges the gap between the festive summer and the approaching rainy season.
In Bolivar, Colombia, September brings a 12% chance of sunny weather, marking a slight uptick compared to the preceding months. Although this is higher than the gloomy summer months of June and August, which dip as low as 3%, September still doesn't reach the more favorable sunshine levels seen earlier in the year, such as January's 16%. Notably, the transition into fall showcases a gradual, albeit modest, increase in sun exposure as the region begins to shake off the more overcast days of August. This trend suggests that while September may not boast the sunniest skies, there’s a hint of optimism for clearer days as the month unfolds.
In Bolivar, Colombia, September marks a continuation of the consistent daylight pattern that characterizes much of the year. With 12 hours of daylight, this month falls in line with the preceding months from March through August, showcasing a period of abundant sunshine. This steady duration reflects the region's equatorial proximity, where daylight remains largely stable year-round. As the year transitions into October, Bolivar maintains this same daylight duration, hinting at the enduring warmth and vibrant atmosphere that residents and visitors alike enjoy. Notably, the gradual shift towards shorter days begins in November, as daylight starts to recede to 11 hours, signaling the slow approach of the cooler months ahead.
In Bolivar, Colombia, the September winds bring a gentle breath of air, with an average speed of 1.3 m/s (3 mph), which is consistent with the month before and after. This stability in wind patterns suggests a comforting rhythm in the region's climate, as average wind speeds remain largely unchanged throughout the year, typically hovering around the 1.2 to 1.4 m/s mark. The calmness of September not only complements the vibrant landscapes but also enhances outdoor activities, making it an ideal time to appreciate the surrounding beauty with a light breeze softly caressing the skin. As the transition from summer to fall unfolds, the winds serve as a reminder of the enduring tranquility found in Bolivar's natural setting.
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, the weather features mild temperatures with a minimum of 14°C (57°F) and an average of 20°C (69°F), reaching a maximum of 27°C (81°F). The month is characterized by high humidity at 80% and significant precipitation, totaling 250 mm (9.8 in) over 28 days. In contrast, January offers slightly cooler conditions, with a minimum of 13°C (57°F) and an average temperature of 21°C (69°F), while the maximum can reach up to 28°C (83°F). Although January experiences less precipitation at 204 mm (8.0 in) over 24 days, the humidity remains relatively similar at 78%. For more detailed insights on January weather, you can visit Bolivar weather in January.
September and February exhibit similar minimum temperatures, hovering around 14°C (57°F), but February tends to be slightly warmer on average, reaching around 21°C (70°F) compared to September's 20°C (69°F). February also features higher maximum temperatures, peaking at 29°C (84°F), while September's maximum is 27°C (81°F). In terms of precipitation, February receives more rain with 301 mm (11.9 in) over 26 days compared to September’s 250 mm (9.8 in) across 28 days. Despite the slight differences in temperature and rainfall, both months maintain high humidity levels, around 80% in September and slightly lower at 77% in February. For more detailed information, you can visit Bolivar weather in February.
September and March exhibit similar temperature ranges, with September averaging around 20°C (69°F) and March slightly warmer at 21°C (70°F). Both months start with a minimum temperature of 14°C (57°F) and peak with maximums of 27°C (81°F) in September and 28°C (83°F) in March. However, March experiences higher precipitation, with a total of 308 mm (12.1 in) over 29 days compared to September's 250 mm (9.8 in) over 28 days. Interestingly, humidity remains consistent at 80% for both months. For more detailed weather insights, visit Bolivar weather in March.
When comparing the weather in September and April, we see that both months experience mild to warm temperatures, though April tends to be slightly warmer with average temperatures reaching 21°C (70°F) compared to September's 20°C (69°F). The maximum temperatures in both months are similar, with April peaking at 28°C (82°F) and September at 27°C (81°F). However, April also has significantly higher precipitation, measuring 417 mm (16.4 in) over 29 days, compared to September's 250 mm (9.8 in) spread over 28 days. Additionally, both months have high humidity levels, with April at 83% and September at 80%. For more detailed insights, you can refer to Bolivar weather in April.
In comparing the weather of September and May, we notice that both months have similar maximum temperatures, reaching up to 27°C (81°F), while September typically has a minimum temperature of 14°C (57°F) and May has a slightly warmer minimum of 15°C (60°F). The average temperatures are also closely aligned, with September averaging 20°C (69°F) and May at 21°C (69°F). However, May experiences significantly more precipitation, with 524 mm (20.6 in) over 30 days, compared to September's 250 mm (9.8 in) over 28 days. This results in higher humidity levels in May, averaging 87%, compared to 80% in September. For more detailed information, you can visit Bolivar weather in May.
When comparing the weather in September and June, both months exhibit similar maximum temperatures, peaking at around 27°C (81°F). However, September tends to be slightly cooler on average, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), compared to June's minimum of 15°C (59°F). One notable difference is the precipitation levels; June experiences significantly more rainfall, with 425 mm (16.7 in) occurring over 29 days, while September sees 250 mm (9.8 in) over 28 days. Additionally, June is generally more humid, averaging 87% humidity compared to September's 80%. For a detailed look at June weather, you can visit Bolivar weather in June.
In comparing the weather of September and July, we see that both months experience similar maximum temperatures, reaching up to 27°C (81°F). However, September has slightly lower average temperatures with a minimum of 14°C (57°F) compared to July's 15°C (59°F). Moreover, September is characterized by considerably less precipitation, totaling 250 mm (9.8 in) over 28 days, while July sees a much higher 416 mm (16.4 in) spread over 30 days. Humidity levels are also slightly elevated in July, averaging 85% compared to September's 80%. For more information on July weather, you can refer to Bolivar weather in July.
In comparing the weather of September to that of August, we observe some notable differences. September features slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 27°C (81°F), compared to August's minimum of 15°C (59°F) and maximum of 28°C (84°F). Both months share the same average temperature of 20°C (69°F). However, September experiences less precipitation, totaling 250 mm (9.8 in) over 28 days, while August sees 309 mm (12.2 in) across 30 days. Interestingly, humidity levels remain consistent at 80% for both months. For a deeper look at August's weather, you can visit Bolivar weather in August.
In comparison to September, October presents a slightly warmer climate, with minimum temperatures rising from 14°C (57°F) to 15°C (59°F) and maximum temperatures peaking at 28°C (82°F). Both months share the same average temperature of 20°C (69°F). However, October sees increased precipitation, with 315 mm (12.4 in) spread across 30 days, compared to September’s 250 mm (9.8 in) over 28 days. The humidity also rises from 80% in September to 85% in October, making the air feel a bit more moist. For more detailed information, you can check Bolivar weather in October.
In September, the weather features a minimum temperature of 14°C (57°F) and an average of 20°C (69°F), with maximum temperatures reaching 27°C (81°F). This month experiences significant rainfall, with 250 mm (9.8 in) of precipitation spread over 28 days, and humidity levels hover around 80%.
In contrast, November brings slightly warmer temperatures, with a minimum of 16°C (61°F) and an average of 21°C (69°F), while still peaking at 27°C (82°F). However, it is also wetter, with precipitation increasing to 340 mm (13.4 in) across the same number of days, coupled with higher humidity at 87%. For more details, you can check Bolivar weather in November.
In September, the weather typically features a minimum temperature of 14°C (57°F) and an average of 20°C (69°F), with maximums reaching 27°C (81°F). The month is characterized by significant rainfall, totaling 250 mm (9.8 in) over 28 days, accompanied by high humidity levels of around 80%. By December, temperatures are slightly higher, with a minimum of 15°C (60°F) and consistent maximums of 27°C (81°F) and an average of 21°C (69°F). However, December sees increased precipitation, totaling 298 mm (11.7 in) across 30 days, and a slight rise in humidity to 83%. For more specifics about the weather conditions, visit Bolivar weather in December.
As September rolls in, Bolivar experiences a notable shift in weather patterns, marked by increased humidity and frequent rainfall that sets it apart from the drier months of the year. With an average temperature that remains pleasant but cooler at night, residents and visitors alike can expect a lush landscape invigorated by approximately 250 mm of rain over nearly the entire month. This steady precipitation enhances the region's natural beauty, creating a vibrant contrast to the sun-soaked days of summer. For more details on the distinct characteristics of Bolivar's climate, explore Bolivar Climate.