Last updated: August 21, 2025
In September, Havana experiences warm and humid conditions ideal for those seeking a tropical escape. Temperatures typically range from a comfortable 25°C (77°F) at night to a sizzling 31°C (89°F) during the day, with an inviting average of 28°C (83°F). However, visitors should be prepared for frequent rainfall, as the month sees around 113 mm (4.4 in) of precipitation over 17 days, adding a refreshing charm to the city's vibrant atmosphere. With an average humidity of 76%, the tropical climate enhances the lush landscapes and lively culture, making Havana a unique and captivating destination.
In September, Havana, Cuba, experiences warm and inviting temperatures, with daily averages hovering around 28°C (83°F). The month opens with a minimum temperature of 25°C (77°F), ensuring that the nights remain balmy, while the maximum peaks at 31°C (89°F), reminiscent of summer's warmth. As the vibrant summer months transition to fall, September maintains a steady climate, similar to its predecessors, yet with a gradual cooling forecasted for October. This blend of tropical warmth and the onset of slightly cooler evenings makes September an appealing time for visitors eager to explore Havana’s rich culture and dynamic atmosphere.
In September, Havana experiences a notable increase in precipitation, averaging 113 mm (4.4 in) over the course of 17 days. This marks one of the year's peak rainfall periods, as the city transitions from the summer months into the autumn season. The heightened precipitation not only enriches Havana's lush landscapes but also contributes to a more humid atmosphere, setting the stage for lush tropical growth. Interestingly, September's rainfall is slightly lower than the preceding month of August, which sees 83 mm (3.2 in) across 12 days, yet it remains comparable to October's precipitation levels. This trend underscores the distinct wet season that characterizes the region, where vibrant showers become a rhythmic backdrop to life in Havana.
In September, Havana experiences a humidity level of 76%, marking a slight increase from the summer months of July and August. This uptick reflects a trend where humidity begins to rise again as the city transitions towards the fall, following its annual low in June at 71%. As the year progresses, humidity steadily climbs, peaking in late autumn and winter months, with November and December hitting 79% and 80%, respectively. Thus, September serves as a bridge between the warmer, drier summer and the more humid conditions of the upcoming season, illustrating the tropical climate's characteristic fluctuations.
As summer transitions into autumn, September in Havana, Cuba maintains a persistent extreme UV Index of 12, marking it as one of the sunniest times of the year. Only slightly less intense than the peak summer months, this UV level means that sun exposure should be approached with caution, allowing for a burn time of just 10 minutes for unprotected skin. The trend throughout the year reveals consistently high UV risks, especially from February to August, with indices peaking in June and gradually tapering off by October. As you revel in the vibrant atmosphere of Havana during September, remember to stay sun smart and protect your skin while enjoying all the tropical delights. For more detailed insights, check out the Havana UV Index.
UV Risk Categories
In September, Havana basks in an impressive 313 hours of sunshine, maintaining the vibrant glow established over the summer months. This marks a slight dip from the peak hours experienced in July and August, yet the sun continues to cast its warm embrace as the city transitions into autumn. The sun-drenched days of September still offer ample opportunities for exploration and enjoyment, reflecting a pattern where each month steadily supports the lively atmosphere of this Caribbean haven. As the year progresses, Havana's sunlight tends to wane slightly, but September stands as a beautiful reminder of summer's lingering warmth before the cooler months arrive.
In September, visitors to Havana, Cuba, can expect a moderate chance of sunny weather, with around 37% likelihood of clear skies. This is a decrease from the more promising conditions experienced earlier in the year, particularly in February (73%) and March (78%), where sunshine is nearly a guarantee. As summer progresses, the chances of sunshine wane, peaking in early months and dwindling as they approach the heart of the rainy season. Although September is not the sunniest month, it still offers opportunities for warm days amid intermittent showers, making it a transitional period between the vibrant summer and the more stable autumn months. For those who cherish a balance of warmth and some cloud cover, September can still be a delightful time to explore this enchanting city.
As September rolls into Havana, the city enjoys a delightful 12 hours of daylight, a consistent embrace of sunshine that continues from the vibrant summer months. Following the peak of daylight in May through August, where the sun graced the skies for up to 13 hours, September marks a gentle transition toward autumn. This gradual decrease in daylight hours signals the end of the summer heat while still providing ample time for outdoor exploration and vibrant city life. Notably, as daylight hours taper off into October, residents and visitors alike can relish the lingering warmth of Cuban days, making September a particularly enchanting month in this sun-soaked paradise.
September in Havana marks a notable shift in wind patterns, bringing with it the year's lowest average wind speed of 3.7 m/s (8 mph). As the summer heat lingers, the gentle breezes that defined the earlier months start to taper off, creating a calm that envelopes the vibrant city. This transition reflects a broader trend observed throughout the year, where wind speed tends to peak from January to May, hovering around 5.8 m/s (13 mph). After the summer months, which see a slight decline in wind activity, September's subdued winds usher in a quieter atmosphere, offering a perfect backdrop for enjoying the rich culture and bustling streets of Havana. As autumn approaches, the winds gradually pick up again, hinting at the refreshing change to come.
Weather in Havana varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Havana, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is typically warm and humid, with average temperatures ranging from 25°C (77°F) to a maximum of 31°C (89°F). This month experiences significant rainfall, totaling 113 mm (4.4 inches) over 17 days, making it one of the wetter months of the year. In contrast, January offers a much milder climate, with average temperatures ranging from 16°C (61°F) to a maximum of 29°C (84°F). Precipitation in January is notably lower, at just 36 mm (1.4 inches) spread across 8 days, resulting in slightly drier conditions despite a similar humidity level of 78%. For more details on January weather, you can visit Havana weather in January.
September typically showcases a warmer climate compared to February, with average temperatures reaching 28°C (83°F) and maximums soaring to 31°C (89°F). In contrast, February experiences milder average temperatures of 24°C (76°F), peaking at 29°C (84°F). Additionally, September is characterized by higher precipitation levels, receiving 113 mm (4.4 in) over about 17 days, whereas February is much drier with only 29 mm (1.2 in) spread across 5 days. Despite these differences, both months share a similar level of humidity, hovering around 76% in September and 77% in February. For a more detailed look at February's weather, you can visit Havana weather in February.
In September, the weather is notably warmer with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (89°F), and an average of 28°C (83°F). This month experiences significant rainfall, averaging 113 mm (4.4 inches) over 17 days, contributing to a high humidity level of 76%. In contrast, March presents a milder climate, with temperatures ranging from 19°C (66°F) to 29°C (85°F), and an average of 24°C (76°F). Precipitation is considerably lower in March, with only 19 mm (0.7 inches) over 5 days, and humidity levels are slightly reduced at 73%. For more detailed information on the weather during this month, you can check Havana weather in March.
In September, the weather tends to be hotter and more humid compared to April, with average temperatures around 28°C (83°F) and maximums reaching 31°C (89°F). This month also experiences significant rainfall, with 113 mm (4.4 in) spread across 17 days, leading to a relatively high humidity level of 76%. In contrast, April showcases milder temperatures, averaging 26°C (79°F) with a minimum of 21°C (70°F) and maximums similar to September at 31°C (89°F). Rainfall is considerably lower in April, totaling just 30 mm (1.2 in) over 6 days and accompanied by slightly lower humidity of 72%. For more details on the weather in April, you can check out Havana weather in April.
In September, temperatures in Havana typically range from a minimum of 25°C (77°F) to a maximum of 31°C (89°F), with an average temperature of around 28°C (83°F). The month experiences significant rainfall, with 113 mm (4.4 in) of precipitation spread over 17 days and a humidity level of 76%. In contrast, May offers slightly cooler temperatures, with a minimum of 22°C (72°F), an average of 26°C (80°F), and a maximum of 31°C (87°F). However, May is wetter overall, receiving 157 mm (6.2 in) of rain over 12 days, while maintaining a lower humidity level of 72%. For more detailed information, check out Havana weather in May.
When comparing the weather in September and June, both months feature similar temperature ranges, with minimum temperatures around 25°C (77°F), average temperatures of approximately 28°C (82-83°F), and maximum temperatures peaking at 31°C (89°F). However, September tends to be wetter, receiving 113 mm (4.4 in) of precipitation over 17 days, compared to June's 80 mm (3.2 in) over 14 days. Additionally, September experiences higher humidity at 76%, while June's humidity hovers around 71%. For more detailed information about June weather, you can visit Havana weather in June.
In comparing the weather of September and July, we see that both months have similar average temperatures, with September ranging from a minimum of 25°C (77°F) to a maximum of 31°C (89°F), and July slightly warmer with temperatures peaking at 32°C (89°F). However, September experiences more precipitation, with a total of 113 mm (4.4 in) spread over 17 days, while July has significantly less at 63 mm (2.5 in) across 11 days. Additionally, September has a higher humidity level of 76% compared to July's 73%, making it feel a bit more muggy. For more details, you can check out Havana weather in July.
In comparing the weather of September and August, we observe that both months maintain similar minimum temperatures of around 25°C (77°F). However, September experiences slightly cooler average and maximum temperatures, with averages at 28°C (83°F) and maximums reaching 31°C (89°F), compared to August's average of 29°C (84°F) and maximum of 32°C (90°F). Rainfall increases in September, with 113 mm (4.4 in) over 17 days, compared to August’s 83 mm (3.2 in) over just 12 days. Humidity levels are also marginally higher in September at 76% versus August's 74%. For more detailed insights, you can check Havana weather in August.
In September, temperatures are consistently warm with a minimum of 25°C (77°F) and an average of 28°C (83°F), reaching up to a maximum of 31°C (89°F). The month also sees considerable rainfall, totaling 113 mm (4.4 inches) across 17 days and maintaining a humidity level of 76%. In contrast, October experiences slightly cooler temperatures, with a minimum of 23°C (73°F) and an average of 27°C (81°F), while still peaking at 31°C (87°F). Precipitation remains relatively constant at 111 mm (4.4 inches) over 18 days, and humidity increases modestly to 78%. For more specific details on October weather, you can refer to Havana weather in October.
In September, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (89°F) and an average of 28°C (83°F). This month also experiences significant rainfall, with 113 mm (4.4 in) spread over 17 days. In contrast, November brings slightly cooler temperatures, with a minimum of 20°C (69°F), an average of 26°C (79°F), and a maximum of 30°C (86°F). Precipitation decreases to 67 mm (2.6 in) over just 13 days, and humidity remains relatively high at 79%. For a more detailed look at November weather, check out Havana weather in November.
In September, the weather is typically warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (89°F) and an average of around 28°C (83°F). This month also sees considerable rainfall, totaling 113 mm (4.4 in) over about 17 days, contributing to a relative humidity of 76%.
In contrast, December experiences cooler temperatures, with a minimum of 18°C (64°F) and a maximum of 29°C (85°F), averaging 24°C (76°F). Precipitation also decreases significantly to 57 mm (2.3 in), spread over just 7 days, while humidity rises slightly to 80%. For a detailed look at December weather in Havana, you can check out Havana weather in December.
In September, Havana experiences a warm and humid climate, with temperatures consistently rising, making it one of the warmer months of the year. The average heat can feel especially intense, contrasted by the notable rise in precipitation, as rain showers frequent the city on about half of the days this month. This combination of high humidity and rainfall creates a lush, tropical atmosphere, setting September apart from the drier and cooler months of the year. For those wanting to explore the vibrant streets of Havana while navigating its unpredictable weather, understanding the unique climate conditions is essential. To learn more, visit Havana Climate.