Last updated: August 21, 2025
Experience the captivating weather of San Gil, Colombia, in September, where the temperature typically ranges from a comfortable 12°C (54°F) at night to a pleasant 26°C (79°F) during the day, with an average of 19°C (66°F). This month sees significant precipitation, totaling around 435 mm (17.1 in), spread over 30 days, resulting in a lush, vibrant landscape. With humidity levels hovering around 78%, visitors can expect a refreshing, albeit slightly damp, atmosphere that perfectly complements the region's stunning natural beauty. San Gil in September is a unique blend of warmth and moisture, making it an ideal time for outdoor adventures and exploring the lush surroundings.
In September, San Gil, Colombia enjoys a pleasant and consistent climate, with temperatures that align closely with the trends seen throughout the year. The month features a minimum temperature of around 12°C (54°F), providing a crisp start to the day, while the average temperature remains a comfortable 19°C (66°F). As the day progresses, it peaks at an agreeable maximum of 26°C (79°F), making it a perfect time for outdoor adventures or leisurely activities. This stability in temperatures reflects the region’s mild climate, with only slight fluctuations from the previous months, showcasing the charm of San Gil as a year-round destination for travelers. Overall, September’s weather strikes a delightful balance, inviting visitors to explore its natural beauty in moderate warmth.
In September, San Gil, Colombia experiences a notable mixture of moisture, recording 435 mm (17.1 in) of precipitation over a full 30 days of rainfall. This marks a slight decrease from the peak of the rainy season in July and August, where monthly totals reached 510 mm (20.1 in) and 453 mm (17.8 in) respectively. While many days in September remain drenched, the overall trend suggests a gradual tapering off as the region transitions towards drier months in the following fall season. Despite the high rainfall, September's totals indicate a consistent pattern of abundant precipitation that characterizes the region’s lush environment, continuing to nourish its vibrant landscapes.
In September, humidity in San Gil, Colombia, averages around 78%, marking a noticeable drop from the peak wet months of June and July, which hold steady at a high 88%. As the year progresses, humidity exhibits a clear pattern—rising sharply from the drier early months of January to April, where levels hover between 45% and 54%, to a humid late spring and summer, particularly in May when it skyrockets to 81%. After the brief respite in September, humidity levels climb again in October and November, both reaching 83%. Overall, September represents a transitional phase, as the region gradually shifts from the intense summer humidity towards more moderate levels in the following months.
In September, San Gil, Colombia continues to experience an extreme UV Index of 14, a trend that has been consistent throughout much of the year. This high level of UV radiation, just like the preceding months, indicates a burn time of only 10 minutes, so it’s crucial for residents and visitors to take necessary precautions against overexposure. The UV levels have remained largely stable from January to September, hovering between 14 and 17, showcasing the area's intense sunlight. As autumn approaches, it’s a good reminder to stay vigilant and protect your skin. For detailed monthly insights and updates, check out the San Gil UV Index.
UV Risk Categories
September in San Gil, Colombia, offers a delightful blend of sunshine and milder temperatures, with an average of 255 hours of sunlight. This month continues a charming trend of consistent brightness after the sunniest months of the year; January kicks off with 259 hours, gradually rising to a peak in December at a dazzling 306 hours. Though September marks a slight dip from the sunny heights of August's 285 hours, it still stands out in the year, cradled between lively summer months and the cooler autumn days ahead. As the seasons shift, San Gil remains a vibrant destination, basking in an abundance of sunlight that invites exploration and adventure.
In San Gil, Colombia, September offers a 14% chance of sunny weather, a slight uptick compared to the more overcast months of June and July, which hover around 6% and 13%, respectively. As the rainy season stretches from April through August, sunshine becomes scarce, making September a transitional month as the weather begins to shift. While it may not be the sunniest time of year, optimism for brighter days starts to rise, especially as the chance of sun increases compared to the wet month of May with just 5%. As you plan your September adventures, don't forget to embrace the beauty of this lush region, where occasional sunny spells can create a stunning backdrop for exploration amid the greenery!
In San Gil, Colombia, the daylight duration exhibits a striking consistency throughout the year, with a slight seasonal variation. From January to February, residents enjoy 11 hours of daylight, transitioning seamlessly into longer days of 12 hours from March to September. This extended daylight period peaks in the tropical heart of the year, making it ideal for outdoor adventures and exploration of the stunning landscapes. As September concludes, there’s a gradual shift back to shorter days, dropping to 11 hours in October. This rhythm of daylight not only underscores San Gil’s inviting climate but also highlights a natural cadence that enhances the region's vibrant culture and outdoor activities year-round.
In September, the winds of San Gil, Colombia, continue a gentle trend, with an average speed of 1.0 m/s (2 mph). This month reflects the calmness that has characterized the region throughout the year, where wind speeds have mostly hovered around similar low levels. Since January, the winds have remained consistent, creating a soothing backdrop for the vibrant atmosphere of this charming town. As the dry season approaches, these soft breezes enhance the experience of San Gil's natural beauty, offering refreshing moments that invite outdoor exploration without overwhelming gusts. Whether you're strolling through its picturesque streets or embarking on an adventure in the surrounding landscapes, September’s gentle zephyrs provide the perfect complement to a wonderful Colombian getaway.
Weather in San Gil varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Gil, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of September and January, both months exhibit similar average temperatures around 19°C (66°F), but they display distinct characteristics in terms of extremes and precipitation. September sees a slightly higher maximum temperature of 26°C (79°F) compared to January's 27°C (81°F), while the minimum temperature in September averages slightly higher at 12°C (54°F) than January's 10°C (51°F). Notably, September is much wetter, with a total precipitation of 435 mm (17.1 in) falling over 30 days, resulting in a high humidity level of 78%. In contrast, January experiences significantly less rainfall, totaling only 132 mm (5.2 in) over 20 days, leading to a drier atmosphere with lower humidity at 52%. For a more detailed look at January weather, you can visit San Gil weather in January.
When comparing the weather between September and February, both months feature similar minimum and average temperatures, hovering around 12°C (54°F) and 19°C (66°F) respectively. However, February typically offers slightly warmer maximum temperatures, reaching 27°C (81°F) compared to September's maximum of 26°C (79°F). In terms of precipitation, September is significantly wetter, with 435 mm (17.1 in) of rain over 30 days, while February receives only 195 mm (7.7 in) across 24 days, resulting in a much drier experience. Additionally, humidity levels are notably lower in February at 47%, compared to a much higher 78% in September, making February a potentially more comfortable month. For more detailed information, check San Gil weather in February.
In September, the weather features temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F). This month is characterized by high humidity at 78% and significant rainfall, totaling 435 mm (17.1 in) over 30 days. In contrast, March offers similar temperature ranges with a minimum of 12°C (54°F), an average of 19°C (66°F), and a slightly higher maximum of 27°C (81°F). However, the weather in March is considerably less humid at 45%, with precipitation amounting to 395 mm (15.5 in) over the same 30-day period. For more insights into March weather, you can check San Gil weather in March.
When comparing the weather in September and April, we see some interesting similarities and differences. Both months share an average temperature of 19°C (66°F), with maximum temperatures reaching around 26°C (79°F) in September and 26°C (80°F) in April. However, September tends to be slightly wetter, receiving 435 mm (17.1 in) of precipitation over 30 days, compared to April's 408 mm (16.1 in) over 29 days. Additionally, September has higher humidity at 78%, while April is more comfortable at 54%. For more details, you can check San Gil weather in April.
In September, the weather features a temperature range with a minimum of 12°C (54°F) and a maximum of 26°C (79°F), while May offers a slightly warmer minimum of 13°C (55°F) and a peak of 27°C (81°F). Both months exhibit similar average temperatures around 19°C (66°F), but May tends to have marginally higher humidity at 81% compared to September's 78%. Precipitation is quite comparable as well, with September receiving 435 mm (17.1 in) over 30 days and May slightly more at 443 mm (17.4 in) over 31 days. For more details on May's weather, visit San Gil weather in May.
In comparing the weather of September and June, both months share similar average temperatures, hovering around 19°C (66°F), with maximums reaching up to 26°C (79°F) in September and 80°F in June. However, June tends to be slightly warmer at night with a minimum temperature of 13°C (56°F) compared to September’s 12°C (54°F). Precipitation levels are also noteworthy; while September receives around 435 mm (17.1 in), June surpasses this with 476 mm (18.8 in). Additionally, June has a higher humidity level at 88% compared to September’s 78%, contributing to a more humid atmosphere. For a detailed look at June’s climate, check out San Gil weather in June.
In comparing the weather of September and July, both months exhibit similar average temperatures, with minimum and maximum temperatures reaching 13°C (55°F) and 26°C (79°F), respectively. However, July experiences slightly higher precipitation, with 510 mm (20.1 in) over 31 days compared to September's 435 mm (17.1 in) across 30 days. Additionally, humidity levels are higher in July at 88%, compared to 78% in September, contributing to a more humid atmosphere during the summer month. For more details, you can visit San Gil weather in July.
In September, the weather remains quite similar to August, with both months experiencing a minimum temperature of 12°C (54°F), an average of 19°C (66°F), and a maximum of 26°C (79°F). However, September sees a slight decrease in precipitation, totaling 435 mm (17.1 in) compared to August's 453 mm (17.8 in). Additionally, humidity is marginally lower in September at 78%, while August maintains a higher humidity level of 82%. For more detailed information, you can check San Gil weather in August.
In comparing the weather of September and October, both months exhibit similar temperature ranges, with September having an average of 19°C (66°F) and October slightly cooler at 18°C (65°F). The maximum temperatures remain fairly consistent, peaking at 26°C (79°F) in September and at 27°C (80°F) in October. However, October experiences slightly less precipitation at 412 mm (16.2 in) compared to September’s 435 mm (17.1 in), despite having one additional day of recorded precipitation (31 days in October versus 30 in September). Additionally, humidity levels rise from 78% in September to 83% in October, contributing to a more humid atmosphere. For more detailed insights, you can visit San Gil weather in October.
In comparing the weather of September and November, both months display similar average temperatures, hovering around 19°C (66°F) with maximums reaching up to 26°C (79°F). However, September is significantly wetter, with total precipitation measuring 435 mm (17.1 in), compared to November's 243 mm (9.6 in). Additionally, humidity levels are slightly higher in November, at 83%, versus September's 78%. For more detailed information, you can check San Gil weather in November.
In September, the weather showcases a consistent warmth with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (79°F) and an average of 19°C (66°F). However, it is also marked by significant rainfall, accumulating 435 mm (17.1 in) over 30 days, contributing to a notable humidity level of 78%. In contrast, December presents a similar temperature profile with minimums and maximums remaining almost identical at 12°C (54°F) and 26°C (80°F), respectively. Yet, this month experiences considerably less rainfall, totaling 181 mm (7.1 in) across 27 days and a lower humidity of 70%. For more details, check out San Gil weather in December.
As September rolls into San Gil, residents and visitors alike experience a significant shift in weather patterns. This month is characterized by a notably humid atmosphere with frequent rains, making it one of the wettest months of the year. While temperatures remain pleasantly warm, averaging around the comfortable 19°C, the abundance of rainfall—with precipitation occurring nearly every day—adds a lush vibrancy to the landscape. Compared to other months, September's increased humidity and consistent downpours create a unique ambiance, inviting those who appreciate nature's beauty. To dive deeper into what to expect throughout the year, check out San Gil Climate.