Last updated: August 21, 2025
September in San Cristobal, Cuba offers a tropical experience characterized by warm temperatures and notable humidity. The maximum temperature reaches a sweltering 33°C (92°F), while the average temperature hovers around 27°C (81°F), dipping to a comfortable 22°C (71°F) at night. However, travelers should prepare for frequent rainfall, as the month sees a significant total precipitation of 145 mm (5.7 in) across approximately 21 days. This high humidity, averaging 76%, adds to the lushness of the region, making it a vibrant, albeit wet, time to explore the beauty of San Cristobal.
In September, San Cristobal, Cuba, experiences a delightful blend of warmth and humidity, making it a prime time for visitors seeking a tropical escape. With minimum temperatures hovering around 22°C (71°F) and averages reaching 27°C (81°F), the weather remains comfortably warm, perfect for beach outings and outdoor adventures. Despite a slight dip in maximum temperatures to 33°C (92°F) compared to the hotter summer months, the overall climate is quite inviting. This month showcases a transition as the balmy, summer-like atmosphere begins to ease into the cooler fall, with a refreshing breeze hinting at the changes to come. Whether you're exploring vibrant local life or basking under the sun, September in San Cristobal offers a charming and enjoyable experience.
In September, San Cristobal experiences a notable uptick in precipitation, with 145 mm (5.7 in) recorded over 21 days. This marks a significant continuation of the rainy season that began in earnest with the heavy downpours of May and June. While the summer months of July and August also saw substantial rainfall, September's relentless showers contribute to the region's lush landscape, emphasizing the cyclic nature of the wet season. Following closely behind August’s total, the consistent rainfall not only sustains the local ecosystem but also signifies a peak in the climatological pattern before the precipitation begins to taper off into October. With nearly 70% of the month characterized by rain, September serves as a reminder of Cuba's vibrant weather dynamics, showcasing both the beauty and challenges of tropical living.
In September, the humidity in San Cristobal, Cuba, hovers at a comfortable 76%, marking a slight dip from the warmer summer months of July and August. This transition into fall is characterized by a gradual decrease in humidity, reflecting the onset of drier conditions that precedes the wetter months of October and November. Notably, the humidity levels exhibit a general upward trend as the year progresses, peaking in December at 80%. The autumn transition in September serves as a pleasant reminder of the region’s shifting climate, offering a breathable environment as the year inches towards its wetter, more humid finale.
In September, San Cristobal, Cuba experiences an UV Index of 12, placing it within the extreme exposure category. This indicates a consistent trend of high UV radiation that persists throughout the summer months, with similar readings in July and August. With a burn time of just 10 minutes, it highlights the urgency for sun safety measures during this time. As the year progresses towards October, the UV Index slightly decreases to 11, yet remains in the extreme bracket. For those planning to soak up the sun, awareness of these UV levels is crucial. For more detailed insights, check out San Cristobal UV Index.
UV Risk Categories
In September, San Cristobal, Cuba, continues to bask in an impressive 313 hours of sunshine, making it a delightful choice for sun-seekers. This month reflects a beautiful transition from the peak summer brightness of July and August—both boasting over 330 hours—to the slightly lesser, yet still abundant light of fall. Interestingly, as the year progresses from the sun-drenched heights of March and April, where sunshine hours peak at 333 and 338 respectively, the subsequent months shift gradually, maintaining a warm glow well into the autumn. The steady decline in daylight hours signals a subtle yet enchanting change in the island's rhythm, transitioning from the vibrant heat of summer to a milder, refreshing embrace, ideal for exploring the rich culture and stunning landscapes of this Caribbean gem.
In San Cristobal, Cuba, the likelihood of sunny weather experiences a notable dip in September, with only a 33% chance of sun. This trend reflects a broader pattern as the summer months close; June and August already exhibit low probabilities of sunshine at 21% and 32% respectively. Following the peak sunshine months of March and April—where the chances soar to 80% and 62%—September marks a transitional phase into the wetter season. As autumn progresses, the chances of clear skies begin to rise again with October showing a slight improvement to 43%. Thus, while September may usher in more overcast days, there is hope for the sunnier spells to return as the year advances.
As September unfolds in San Cristobal, Cuba, the daylight duration settles at a comfortable 12 hours, mirroring the previous month of August. This time of year marks a seamless transition from the summer months, which boast the longest days of 13 hours, into the shorter daylight hours of fall. Starting in January with just 10 hours, the days gradually lengthen through the spring and early summer before reaching their peak. As autumn arrives, there is a gentle decline in daylight that continues into October, where daylight dips to 11 hours. This rhythmic dance of light and shadow not only shapes the daily lives of the locals but also adds a special charm to the vibrant landscapes of San Cristobal.
In September, the gentle breezes of San Cristobal, Cuba, begin to soften, with average wind speeds dropping to 2.1 m/s (5 mph). This marks a shift from the slightly brisker winds of the summer months, where speeds hovered around 2.6 to 2.9 m/s. As autumn approaches, this decrease in wind creates a more tranquil atmosphere, perfect for leisurely strolls through the vibrant streets or relaxing on the sun-kissed beaches. The overall trend reveals a gradual decline in wind speeds from the spring's more energetic gusts, suggesting a seasonal lull that invites visitors to take a break and enjoy the serene beauty of the island.
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.
When comparing the weather in September and January, it is clear that September is significantly warmer and wetter. In September, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), with an average of 27°C (81°F) and humidity hovering around 76%. This month experiences substantial rainfall, totaling 145 mm (5.7 in) over 21 days. In contrast, January offers a much cooler climate, with temperatures dropping to a minimum of 11°C (53°F) and a maximum of 29°C (85°F), averaging 21°C (71°F). This month is notably drier, with only 19 mm (0.8 in) of precipitation occurring over just 5 days and slightly higher humidity at 78%. For a more detailed look, you can check out San Cristobal weather in January.
September and February display striking differences in weather patterns. In September, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), with an average of 27°C (81°F). The month is marked by significant rainfall, totaling 145 mm (5.7 in) over 21 days, contributing to a humidity level of 76%. In contrast, February offers a cooler climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 30°C (87°F), and an average of 23°C (74°F). Precipitation is much lighter, at only 27 mm (1.1 in) across just 3 days, while humidity remains slightly higher at 77%. For more detailed information about February weather in this region, you can check San Cristobal weather in February.
In September, the weather is notably warmer, with average temperatures around 27°C (81°F) and highs reaching up to 33°C (92°F). This month is also characterized by significant precipitation, totaling 145 mm (5.7 in) over 21 days, combined with high humidity levels averaging 76%. In contrast, March offers a cooler climate with a minimum temperature of 12°C (54°F) and an average of 23°C (74°F), peaking at 31°C (89°F). Rainfall is considerably less in March, with only 12 mm (0.5 in) falling on just 2 days, while the humidity remains slightly lower at 73%. For more detailed insights into March weather, you can explore San Cristobal weather in March.
In comparing the weather of September and April, we see notable differences in temperature and precipitation patterns. September tends to be warmer overall, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (92°F). In contrast, April has cooler minimum temperatures of 14°C (58°F) and an average temperature of 25°C (78°F), peaking at 34°C (94°F).
Precipitation also varies significantly, as September experiences much higher rainfall with 145 mm (5.7 in) across 21 days, while April sees a relatively dry month with only 51 mm (2.0 in) over just 8 days. Humidity levels are similar, with September at 76% and April at 72%.
For more detailed information, you can check San Cristobal weather in April.
In comparing the weather of September and May, both months exhibit similar maximum temperatures, reaching up to 33°C (92°F). However, September tends to be slightly warmer, with an average temperature of 27°C (81°F) compared to May's 26°C (79°F). Precipitation is more prevalent in May, with a total of 182 mm (7.2 in) over 18 days, while September sees 145 mm (5.7 in) across 21 days. Additionally, September has a higher humidity level at 76%, compared to May's 72%. For more detailed information, check out San Cristobal weather in May.
In comparing the weather between September and June, both months feature similar average temperatures of 27°C (81°F), with June slightly warmer at a maximum of 34°C (93°F) compared to September's max of 33°C (92°F). September, however, experiences a higher level of precipitation at 145 mm (5.7 in) over 21 days, while June sees 158 mm (6.2 in) of rain across 20 days. Humidity levels are also different; September's humidity is higher at 76%, whereas June maintains a lower humidity of 71%. For more detailed insights, you can refer to San Cristobal weather in June.
In comparing the weather between September and July, both months exhibit warm temperatures, though September tends to be slightly more humid and wetter. July features a minimum temperature of 23°C (73°F) and an average of 28°C (82°F), peaking at 34°C (94°F), while September's temperatures range from a minimum of 22°C (71°F) to an average of 27°C (81°F) and a maximum of 33°C (92°F). Precipitation is more frequent in September, with 145 mm (5.7 in) falling over 21 days, compared to July's 119 mm (4.7 in) over 20 days. The humidity is also slightly higher in September at 76%, compared to 73% in July. For a detailed look at the July weather, visit San Cristobal weather in July.
In comparing the weather of September and August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), whereas August typically sees a minimum of 23°C (74°F) and a maximum of 34°C (93°F). Precipitation levels are similarly close, with September receiving 145 mm (5.7 in) over 21 days and August slightly lower at 142 mm (5.6 in) across 18 days. The humidity in September is marginally higher at 76% compared to August's 74%, suggesting a more muggy atmosphere as the month progresses. For a more detailed look at August weather in the area, visit San Cristobal weather in August.
September and October exhibit notable similarities and differences in their weather patterns. September tends to be slightly warmer, with average temperatures around 27°C (81°F) and maximums reaching 33°C (92°F). In contrast, October shows a decrease in minimum temperatures to 16°C (60°F) but maintains an average of 26°C (79°F) and a high of 32°C (90°F). Both months experience significant rainfall, with September receiving 145 mm (5.7 in) over 21 days and October with 142 mm (5.6 in) over 19 days. Humidity levels are relatively high in both months, with September at 76% and October slightly higher at 78%. For more details, you can check San Cristobal weather in October.
The weather in September is typically warmer and more humid than in November, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (92°F). In contrast, November sees cooler averages, with temperatures ranging from 15°C (59°F) to a high of 31°C (87°F). Additionally, September experiences significantly higher precipitation, receiving about 145 mm (5.7 in) over roughly 21 days, whereas November has much less rainfall at 47 mm (1.9 in) over only 9 days. Humidity remains relatively high in both months, though it is slightly higher in September at 76% compared to November’s 79%. For more detailed information, you can check San Cristobal weather in November.
In September, the weather is warm and humid with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), accompanied by significant rainfall of 145 mm (5.7 in) over 21 days. Conversely, December brings milder temperatures, with averages between 12°C (54°F) and 29°C (85°F), along with much less precipitation of only 39 mm (1.6 in) over just 4 days. Despite December's slightly higher humidity level of 80%, it is generally a much drier and cooler month compared to the warm and wet September. For a detailed look at December weather specifics, visit San Cristobal weather in December.
As September settles in San Cristobal, the weather showcases a unique blend of warmth and humidity. Unlike the drier months, this period experiences increased precipitation, with nearly three weeks of rainfall contributing to the landscape's lushness. The average temperature remains pleasantly warm, but the added humidity can make the air feel heavier. This makes September distinct, offering a vibrant atmosphere alongside tropical showers that nourish the region. For those curious about the year-round climate dynamics, more details can be found here: San Cristobal Climate.