Last updated: August 21, 2025
In September, Santa Clara, Cuba, experiences a tropical climate characterized by warm temperatures and significant rainfall. Daily highs can reach a sizzling 35°C (94°F), while average temperatures hover around a comfortable 27°C (80°F), with nighttime lows dropping to 21°C (70°F). Expect the humidity to be quite high at 78%, contributing to the muggy conditions. This month witnesses considerable precipitation, with 176 mm (6.9 in) of rain falling over approximately 21 days, making it one of the wetter months of the year. Visitors should be prepared for both sunshine and showers while enjoying the lush landscapes that thrive in this vibrant locale.
In September, Santa Clara experiences warm and inviting temperatures, with a minimum of 21°C (70°F) and an average of 27°C (80°F), peaking at a maximum of 35°C (94°F). This month marks a continuation of the summer warmth, closely mirroring the conditions found in August. As the transition into fall begins, daily highs maintain their summer intensity, while the nights offer a slight dip in warmth. Overall, September serves as a perfect blend of sun-kissed days and comfortable evenings, ideal for both exploration and relaxation amid Cuba's vibrant landscapes.
September marks a significant peak in precipitation for Santa Clara, Cuba, with 176 mm (6.9 in) of rain falling over the course of 21 days. This surge represents a seasonal uptick, as the month not only sees the highest rainfall of the year but also a notable increase in the number of rainy days. Following the relatively dry months of January through August, where precipitation gradually built up, September acts as a transition into the wettest part of the year, characterized by persistent showers and the lush vibrancy they bring. This pattern underscores a clear trend in the region's climate, emphasizing September's role as a pivotal month in Santa Clara's annual weather cycle.
In September, Santa Clara, Cuba, experiences a humidity level of 78%, marking a slight increase from the summer months. As the year unfolds, humidity begins high in January at 79%, gradually drops to its lowest point in April at 70%, before experiencing a gradual rebound. The months of May through August show a consistent range of 72% to 77%, highlighting a relatively stable, yet humid, summer season. Following September, humidity rises again, peaking in the late fall and winter months, reaching 80% in October and climbing to 81% by November and December. This cyclical nature of humidity indicates that while September provides a brief respite, the residents should brace for a progressively humid environment as the year draws to a close.
In September, Santa Clara, Cuba, experiences an extreme UV Index of 12, making it crucial for locals and visitors to take sun safety seriously. This level of UV exposure parallels the intensity seen during the peak summer months of June, July, and August, reflecting a trend of consistently high UV levels throughout the summer. With a burn time of only 10 minutes, the need for protective measures like sunscreen, hats, and clothing is paramount. As summer transitions into autumn, the UV Index begins to drop, but September's extreme levels serve as a reminder of the sun's powerful rays. Stay informed and prepared by checking the latest details at Santa Clara UV Index.
UV Risk Categories
September in Santa Clara, Cuba, offers a delightful balance of sunshine, with 317 hours of bright rays illuminating the landscape. Following the sun-drenched peaks of July and August, which boast 348 and 345 hours respectively, September maintains a satisfying warmth that hints at the summer's lingering embrace. As the summer transitions into fall, the slight reduction in sunlight hours is accompanied by a subtle shift in weather, creating a perfect backdrop for outdoor exploration. Overall, while September's hours are slightly diminished, they still hold a notable charm, encouraging both relaxation and adventure in this vibrant Cuban city.
The likelihood of sunny weather in Santa Clara, Cuba, shows a notable decline in September, with only a 33% chance of sunshine. As summer transitions to fall, this dip follows a peak in sunshine during the earlier months of the year, particularly from February to April, when the percentages soar above 60%. However, as the heat intensifies in the summer months, the chances of sun diminish significantly, reaching a low of 19% in June. Interestingly, the trend begins to recover slightly in the months following September, hinting at a gradual return to sunnier days by October and November, which feature probabilities closer to the norm. This highlights September as more of a transitional period, setting the stage for the sunnier days ahead.
In Santa Clara, Cuba, the rhythm of daylight reveals a gentle ebb and flow throughout the year. By September, daylight settles at 12 hours, marking a transition from the sun-drenched summer months of June through August, which boast the longest days at 13 hours. As the season shifts toward autumn, daylight begins to gradually diminish, a pattern that mirrors the retreat of warmth, leading into the cooler months ahead. This annual cycle not only enhances the region's natural beauty but also influences the vibrant lifestyle of its residents, who relish the extended hours of sunshine during peak summer, while preparing for the cozy ambiance that shorter days bring as the year wanes.
In September, Santa Clara experiences a notable shift in its wind patterns, with an average speed of 2.1 m/s (5 mph)—the lowest of the year. This gentle breeze signals a transition, contrasting with the more consistent winds of the preceding months, particularly the heights of March and April, where speeds reach up to 3.8 m/s (8 mph). The month serves as a tranquil pause before the winds begin to pick up again in October at 2.5 m/s (6 mph). Overall, September holds a unique charm, offering a softer touch to the typical Cuban climate, inviting both locals and visitors to savor the calmer days before the seasonal shift resumes.
Weather in Santa Clara varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Clara, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather conditions. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 35°C (94°F), with an average of 27°C (80°F). This month also experiences significant precipitation, receiving about 176 mm (6.9 in) over 21 days, accompanied by high humidity at 78%. Conversely, January offers milder temperatures, with a minimum of 9°C (49°F), an average of 22°C (72°F), and a maximum of 33°C (92°F). Precipitation is much lower in January, with only 33 mm (1.3 in) across 5 days, while humidity remains relatively high at 79%. For a detailed look at January weather, you can visit Santa Clara weather in January.
September and February present quite a contrast in weather patterns. In September, temperatures typically range from a minimum of 21°C (70°F) to a maximum of 35°C (94°F), with an average of 27°C (80°F). This month is also marked by significant rainfall, with precipitation totaling 176 mm (6.9 in) over 21 days, resulting in a humid environment with humidity levels around 78%. In contrast, February's weather is much milder, featuring temperatures that vary from a low of 9°C (49°F) to a high of 33°C (91°F), with an average temperature of 23°C (74°F). Precipitation in February is considerably lower at just 18 mm (0.7 in) over 5 days, and the humidity remains similar, at 77%. For more detailed information on February weather, you can visit Santa Clara weather in February.
In comparing the weather between September and March, we see notable differences in temperature and precipitation. September tends to be warmer with average temperatures around 27°C (80°F) and highs reaching up to 35°C (94°F), while March has milder temperatures, averaging 23°C (74°F) and peaking at a maximum of 34°C (94°F). Additionally, September experiences significantly more precipitation, with 176 mm (6.9 in) spread over 21 days, compared to March’s much drier conditions, which receive only 18 mm (0.7 in) over just 4 days. The humidity also slightly differs, with September having a higher average of 78% compared to March's 71%. For a detailed overview of the weather specifics in March, you can visit Santa Clara weather in March.
When comparing the weather in September and April, notable differences emerge. September tends to be warmer with average temperatures around 27°C (80°F) and a maximum of 35°C (94°F), while April's average is slightly cooler at 25°C (78°F), peaking at 36°C (98°F). Additionally, April experiences significantly less rainfall, with only 54 mm (2.1 in) over 9 days compared to September's 176 mm (6.9 in) over 21 days. Humidity is also lower in April at 70%, compared to September's 78%, making for a more comfortable climate during that month. For a detailed overview of weather conditions, you can check Santa Clara weather in April.
September typically presents warmer temperatures compared to May, with a minimum of 21°C (70°F) and an average of 27°C (80°F), while May starts at a lower minimum temperature of 17°C (63°F) and an average of 26°C (79°F). Both months can reach a maximum of 35°C (94°F in September and 96°F in May), creating equally warm conditions at the peak of the day. However, September experiences more rainfall, with 176 mm (6.9 in) over 21 days, compared to May's 159 mm (6.3 in) over 19 days. Humidity levels are also higher in September at 78%, whereas May maintains a slightly lower humidity of 72%. For a more detailed look at the weather in May, check out Santa Clara weather in May.
In comparing the weather of September and June, both months feature similar temperature ranges, with minimums around 21°C (70°F) and maximums peaking at 35°C (95°F) in June compared to 94°F in September. However, September experiences slightly higher average temperatures, reaching around 27°C (80°F), while June averages a degree warmer at 27°C (81°F). Precipitation is more prominent in September, with 176 mm (6.9 in) over 21 days, as opposed to June’s 137 mm (5.4 in) over 19 days, indicating that September tends to be wetter and more humid, with humidity levels at 78% compared to June's 73%. For more detailed information, check out Santa Clara weather in June.
When comparing the weather in September and July, both months exhibit warm temperatures, but some key differences emerge. In July, the minimum temperature averages around 22°C (71°F), with an average high of 34°C (94°F), while September sees a slightly lower minimum of 21°C (70°F) and maintains a similar average high of 35°C (94°F). Interestingly, September experiences more rainfall, totaling 176 mm (6.9 in) over 21 days, compared to July's 113 mm (4.5 in) over 18 days. The humidity is also higher in September, averaging 78% versus July's 75%. For more detailed insights into July's weather, you can visit Santa Clara weather in July.
In comparing the weather of September to August, both months exhibit similar average temperatures, hovering around 27°C (80°F). However, September tends to have slightly cooler minimum temperatures, with a low of 21°C (70°F) compared to August's 22°C (71°F). Although the maximum temperatures remain consistent at 35°C (94°F in September and 95°F in August), September sees a significant increase in precipitation, totaling 176 mm (6.9 in) over 21 days, contrasting with August's 95 mm (3.7 in) over 18 days. Additionally, humidity levels are quite similar, with September at 78% and August at 77%. For more detailed insights specifically on August, you can check Santa Clara weather in August.
In September, temperatures in Santa Clara typically range from a minimum of 21°C (70°F) to a maximum of 35°C (94°F), resulting in an average of 27°C (80°F). The month experiences significant rainfall, with 176 mm (6.9 in) of precipitation over 21 days, alongside a humidity level of 78%. In contrast, October sees a slight decline in temperatures, with a minimum of 17°C (63°F), an average of 26°C (79°F), and a maximum of 33°C (92°F). Although the precipitation decreases to 129 mm (5.1 in) across 22 days, the humidity remains relatively high at 80%. For more detailed information, you can check Santa Clara weather in October.
In September, the weather is quite warm, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (94°F). However, this month also brings significant rainfall, totaling 176 mm (6.9 inches) over 21 days, and humidity levels hover around 78%. In contrast, November offers a more moderate climate, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 32°C (89°F). Rainfall decreases dramatically to 75 mm (2.9 inches) over just 12 days, and the humidity rises slightly to 81%. For more detailed information, you can check Santa Clara weather in November.
When comparing the weather in September to December, we see a significant shift in temperature and precipitation. September is notably warmer, with minimum temperatures around 21°C (70°F) and maximums reaching 35°C (94°F), while December brings cooler temperatures, with a minimum of 11°C (53°F) and a maximum of 32°C (90°F). Additionally, September experiences much higher precipitation, totaling 176 mm (6.9 in) over 21 days, compared to December's comparatively dry conditions with only 23 mm (0.9 in) over 5 days. Humidity levels remain relatively high in both months, with September at 78% and December slightly higher at 81%. For more specific details about the weather in December, you can check Santa Clara weather in December.
As September unfolds in Santa Clara, the weather takes on its own unique character, transitioning from the warmth of summer to a more temperate climate. With average temperatures hovering around a pleasant 27°C (80°F) and a notable increase in humidity, this month stands out as one of the wettest in the year. Frequent rainfall, occurring on approximately 21 days, brings a refreshing change that contrasts sharply with the drier months before and after. As the landscape becomes lush and vibrant, September invites both locals and visitors to embrace its rich, tropical atmosphere. For a deeper dive into the annual variations of this intriguing locale, explore the details here: Santa Clara Climate.