Last updated: August 21, 2025
September in San Cristobal, Colombia is characterized by a warm and humid climate, with average temperatures around 28°C (83°F). Daily highs can soar to a striking 38°C (100°F), while the nights provide a mild reprieve with minimum temperatures of 24°C (75°F). This month typically experiences substantial precipitation, totaling approximately 183 mm (7.2 in) over 25 rainy days, contributing to an overall humidity level of 85%. Visitors and residents alike should prepare for frequent rain showers amidst the heat, creating a lush and vibrant atmosphere throughout the city.
In September, San Cristobal, Colombia, experiences a warm climate characterized by minimum temperatures around 24°C (75°F) and an average of 28°C (83°F). Despite a slight dip in the average from the previous months, the city maintains a comfortable atmosphere with maximum temperatures reaching up to 38°C (100°F). This month maintains the vibrant heat typical of this tropical locale, showing only minor fluctuations in temperature. With evenings remaining balmy and days still warm, September offers an inviting setting for both exploration and relaxation in this enchanting Colombian city.
September in San Cristobal, Colombia, continues the region's trend of significant rainfall, with 183 mm (7.2 in) of precipitation spread over 25 days. This slight increase from August's 181 mm highlights the city's sustained wet season, characterized by consistent showers that contribute to its lush landscapes. Following this pattern, October often sees even more rainfall, reaching 193 mm, suggesting that the rainy season is not only ongoing but intensifying. The frequency and volume of rain throughout these months illustrate a clear seasonal rhythm, underpinning the vibrancy of life in this tropical locale. As the year progresses, this trend emphasizes the importance of rain for the region's ecology and agriculture.
In September, San Cristobal, Colombia, experiences a significant yet comfortable humidity level of 85%, maintaining the high moisture trend established over the summer months. This marks a slight decrease from July and August, which recorded 87% and 85% respectively, yet still aligns with the region's overall pattern of elevated humidity from June onward. As the year progresses into the cooler months, humidity gradually tapers off, with October showing a slight decrease to 83%. Overall, the data reflects a humid tropical climate that peaks in the mid-year, while still offering a lush atmosphere in early autumn, perfect for experiencing the vibrant landscapes and rich biodiversity of the area.
In September, San Cristobal, Colombia, continues to experience a high UV Index of 13, placing it firmly in the extreme exposure category, with a quick burn time of just 10 minutes. This month is characteristic of the region's consistent sun intensity, which has remained notably high throughout the year, peaking at 14 in both March and April. While the UV levels slightly fluctuate, they largely stay within an extreme range from January through October, emphasizing the need for diligent sun protection. As such, visitors and residents alike should remain vigilant against the risks of overexposure during these sun-soaked days. For further insights into UV levels throughout the year, check out San Cristobal UV Index.
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September in San Cristobal, Colombia, embraces a gentle goodbye to summer with 261 hours of sunshine, marking a slight dip compared to the vibrant highs of previous months. This decline follows a sunny peak in March, where the city basked in 336 hours of golden rays, but maintains a warm embrace that aligns with the overall sun-drenched trend of the year. As the regions shift into the latter months, sunshine hours slowly rebound, culminating in a bright December that flaunts 327 hours. This seasonal dance reflects a comforting consistency, inviting visitors to enjoy San Cristobal's charm amid the rhythm of changing skies.
In San Cristobal, Colombia, September marks a significant dip in the likelihood of sunny weather, with only a 14% chance of clear skies. This trend follows a gradual decline that begins in the dry months of January and February, where chances peak at 61% and 71%, respectively. As the rainy season sets in, the probability of sunshine wanes dramatically, hitting rock bottom in April and May, with just 15% and 13% chances. Despite a slight uptick in late fall, September remains one of the cloudiest months, underscoring the region's transition into its wet season. Therefore, those planning outdoor activities in San Cristobal during this time should be prepared for possible rain rather than relying on sunny weather.
In San Cristobal, Colombia, September marks the continuation of a consistent pattern in daylight duration, as the city enjoys 12 hours of daylight—a figure that has remained stable since March. This month falls within an extended stretch of equally balanced sunlight, lasting through the summer months of April to August. Interestingly, following September, daylight begins to taper off, with October, November, and December witnessing a return to 11 hours of sunlight. This rhythmic ebb and flow in daylight not only enhances the region's natural beauty but also aligns perfectly with the vibrant lifestyle of its residents.
As September rolls into San Cristobal, Colombia, the gentle winds begin to whisper of transition. With an average wind speed of 1.6 m/s (3 mph), this month showcases a subtle decline compared to the lively breezes of earlier months. Following a gradual decrease since the spring, the winds become softer, offering a calm reprieve from the bustling energy of summer. The trend of diminishing wind speeds hints at the approaching rainy season, painting a picture of the tranquil yet vibrant tapestry that is San Cristobal in early fall. As the year winds down, the cool, soft air invites residents and visitors alike to enjoy the serene surroundings and the beauty of nature's changing rhythm.
Weather in San Cristobal varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Cristobal, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January share similar average temperatures, with both months ranging from a minimum of 23-24°C (73-75°F) to a maximum of 38°C (100-101°F). However, September is notably wetter, receiving 183 mm (7.2 in) of precipitation over 25 days, compared to January's much drier climate with only 12 mm (0.5 in) over 3 days. Additionally, humidity levels are higher in September at 85%, while January experiences a more comfortable 77%. For a detailed look at January's weather, visit San Cristobal weather in January.
When comparing the weather in September and February, September tends to be much wetter, receiving an average of 183 mm (7.2 in) of precipitation over 25 days, while February boasts a much drier climate with only 4 mm (0.1 in) and no rainy days. In terms of temperature, both months have similar maximums, with February reaching up to 38°C (101°F) and September maxing out at 38°C (100°F). However, September has a slightly higher average temperature of 28°C (83°F) compared to February’s 29°C (85°F). Additionally, February experiences lower humidity levels at 77%, while September's humidity remains high at 85%. For more details about February weather, you can check San Cristobal weather in February.
When comparing the weather in September and March, September tends to be more humid and rainy, with an average temperature of 28°C (83°F) and significant precipitation of 183 mm (7.2 in) over 25 days. In contrast, March has a slightly higher average temperature of 29°C (85°F) and only 27 mm (1.1 in) of precipitation across just 5 days, making it drier and more comfortable overall. Despite having a similar minimum temperature of around 23-24°C (74-75°F), March enjoys slightly higher maximum temperatures, reaching up to 39°C (102°F) compared to September's peak of 38°C (100°F). For more detailed information, check out San Cristobal weather in March.
When comparing the weather in September and April, both months exhibit warm temperatures, but subtle differences emerge. In September, the minimum temperature hovers around 24°C (75°F), with an average of 28°C (83°F) and a maximum reaching 38°C (100°F). This month is characterized by significant precipitation, totaling 183 mm (7.2 in) over 25 days, and high humidity levels at 85%.
In contrast, April features slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 29°C (85°F), and a peak of 40°C (105°F). Interestingly, April also experiences less rainfall, accumulating 96 mm (3.8 in) across 19 days, and lower humidity at 79%. For more detailed information on April's climate, you can visit San Cristobal weather in April.
When comparing the weather in September and May, we see some interesting similarities and differences. Both months experience warm temperatures, with September averaging 28°C (83°F) and May a bit warmer at 29°C (84°F). The maximum temperatures can reach up to 38°C (100°F) in September and slightly higher at 39°C (102°F) in May. However, September tends to be more humid, with humidity levels at 85%, compared to May's 79%. Rainfall is another factor; September sees 183 mm (7.2 in) of precipitation over 25 days, while May has slightly higher precipitation at 196 mm (7.7 in) across 26 days. For a more detailed look at the weather in May, you can visit San Cristobal weather in May.
In comparing the weather between September and June, both months experience similar minimum temperatures around 24°C (75°F) and high humidity levels of 85%. However, September tends to be slightly cooler on average, with an average temperature of 28°C (83°F) compared to June's average of 29°C (84°F). Additionally, September sees a higher total precipitation of 183 mm (7.2 in) over 25 days, while June has 157 mm (6.2 in) over 24 days. For a more detailed look at June's weather specifics in San Cristobal, you can check out San Cristobal weather in June.
In comparing the weather between July and September, both months exhibit high temperatures with minimums around 24°C (75°F), but September has a slightly lower average temperature of 28°C (83°F) compared to July's 29°C (84°F). July tends to be hotter overall, reaching a maximum of 39°C (102°F), while September also peaks at a similar high of 38°C (100°F). Notably, September experiences more precipitation, with 183 mm (7.2 in) over 25 days, compared to July's 121 mm (4.8 in) over 21 days. Humidity levels are quite similar as well, lingering around 85% in September and slightly higher at 87% in July. For more information on July weather, visit San Cristobal weather in July.
In comparing the weather of September and August, we see that both months experience similar temperature ranges, with September featuring a minimum of 24°C (75°F), an average of 28°C (83°F), and a maximum of 38°C (100°F), just marginally above August's minimum of 23°C (74°F) and identical average and maximum temperatures. Precipitation levels are also closely matched, with September receiving 183 mm (7.2 in) of rain compared to August's 181 mm (7.1 in), both accumulating rain on 25 days. Humidity remains consistent at 85% for both months, highlighting the tropical conditions typical of this region. For more details on August weather in San Cristobal, you can check San Cristobal weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching up to 38°C (100°F), while October sees slightly cooler conditions with a maximum of 36°C (96°F). Both months experience high humidity levels, but September registers a marginally higher average of 85% compared to October's 83%. Precipitation is quite prominent in both months, with September recording 183 mm (7.2 in) over 25 days and October slightly increasing to 193 mm (7.6 in) over 28 days. For more insights on October weather specifics, you can check here: San Cristobal weather in October.
In comparing the weather between September and November, September tends to be hotter and more humid, with an average temperature of 28°C (83°F) and maximums reaching up to 38°C (100°F). In contrast, November sees slightly cooler temperatures, peaking at 35°C (96°F) while maintaining a similar average of 28°C (82°F). Additionally, precipitation levels are higher in September, with 183 mm (7.2 in) over 25 days, compared to November's 143 mm (5.6 in) over 22 days. Humidity also decreases slightly from September's 85% to November's 82%. For more detailed information about November weather, visit San Cristobal weather in November.
In September, the weather is markedly warmer, with temperatures ranging from a minimum of 24°C (75°F) to a scorching maximum of 38°C (100°F), and an average temperature of 28°C (83°F). This month also experiences significant rainfall, with 183 mm (7.2 in) of precipitation spread over 25 days, leading to high humidity levels at 85%.
In contrast, December enjoys slightly cooler temperatures, with a minimum of 23°C (75°F) and a maximum of 36°C (98°F), while still maintaining an average of 28°C (83°F). The precipitation drops dramatically to just 30 mm (1.2 in) across 7 days, and humidity levels decrease to 78%. For more detailed insights, you can check out San Cristobal weather in December.
In September, San Cristobal experiences a unique blend of heat and humidity that sets it apart from other months. While the temperatures can soar to a sweltering 38°C, the average remains comfortably warm at around 28°C. However, what truly defines September is its high humidity at 85% and significant precipitation, with rain greeting the city on approximately 25 days. This makes for a lush landscape, but also more challenging outdoor conditions compared to the drier months. For further insights into the region's climate patterns, check out San Cristobal Climate.