Last updated: August 21, 2025
September in Jacmel, Haiti presents a warm tropical climate, with daily maximum temperatures reaching around 30°C (87°F) and an average of 26°C (79°F). The nights offer a comfortable escape with minimum temperatures around 23°C (74°F). This month is also characterized by significant precipitation, averaging 127 mm (5.0 in) over approximately 23 days, creating a humid atmosphere with a humidity level of 76%. Visitors can expect a vibrant yet wet environment, perfect for experiencing the lush landscapes and rich culture of this stunning coastal town.
In September, Jacmel, Haiti, experiences warm and inviting temperatures, with minimums around 23°C (74°F), averages of 26°C (79°F), and peak highs reaching 30°C (87°F). This month maintains the warm trend set in the summer, showing only a slight increase in nighttime lows compared to August. The consistent warmth throughout September makes it an ideal time for sun-seekers and adventurers, while the pleasant averages suggest a comfortable atmosphere for exploration and relaxation. As the month progresses into autumn, the temperatures gradually transition into the cooler months ahead, yet still retain the tropical allure that Jacmel is known for.
In September, Jacmel, Haiti experiences a significant uptick in rainfall, with 127 mm (5.0 in) of precipitation over an average of 23 days. This marks a slight decline from the 150 mm recorded in August but remains one of the year's wetter months, indicating the sustained influence of the rainy season. The increase in precipitation days highlights a persistent pattern of moisture, contributing to the lush landscapes that define the region. As the month progresses, the weather transitions towards drier conditions, setting the stage for October's typically lower rainfall of 119 mm. This trend underscores the dynamic shifts of Haiti's tropical climate, where September acts as a bridge between peak rainfall and the gradual tapering off into the cooler, drier months ahead.
In Jacmel, Haiti, September marks a pivotal point in humidity trends, as levels reach 76%, continuing the high humidity pattern established in August. The transition from the drier months of January through May, where humidity hovers around 60-65%, gives way to a more oppressive atmosphere in the summer. This seasonal shift peaks in July and August, but September's humidity remains steady, signaling a sustained tropical climate. Interestingly, the humidity levels maintain this intensity through October and November before gradually tapering off in December. This trajectory highlights Jacmel's distinctive humid subtropical climate, where summer's warmth embraces the crispness of autumn while keeping the air notably damp.
In September, Jacmel, Haiti experiences a UV Index of 12, categorizing the sun exposure as extreme with a burn time of just 10 minutes. This trend of high UV levels continues from the peak of the summer months, reflecting the region's consistent vulnerability to intense sunlight. From March through September, the UV ratings remain notably high, often hovering between 12 and 13, indicating that sunscreen and protective gear are essential for anyone venturing outdoors. As we transition to October, the UV Index slightly decreases to 11, but the risk remains significant. For more detailed insights on UV levels throughout the year, visit Jacmel UV Index.
UV Risk Categories
September in Jacmel, Haiti, offers a delightful burst of sunshine with 312 hours of radiant light, continuing the summer's warm embrace. This month stands as a transition, bridging the peak summer hours of July (355 hours) and August (341 hours) with the slightly diminished daylight as autumn approaches. Despite September's decrease from the preceding months, its generous sunlight still significantly surpasses the winter months, making it a perfect time to explore the vibrant landscapes and rich culture of this coastal town. The gradual waning of daylight hints at the upcoming shift towards lower sunlight hours in the fall, yet the lingering warmth keeps the spirit of summer alive just a little longer.
In September, Jacmel, Haiti, enjoys a moderate likelihood of sunny weather, with a 56% chance of sunshine illuminating the picturesque landscape. This slight increase from the summer months – where August dipped to just 36% – signals a transition towards more favorable conditions as the season changes. Interestingly, September aligns with the sunny trends observed in November, both boasting similar probabilities, suggesting that the early fall might be a hidden gem for travelers seeking warm, radiant days. As summer fades, the weather becomes more inviting, making September an appealing choice for enjoying Jacmel's stunning coastal views and vibrant culture.
In September, Jacmel, Haiti enjoys a delightful 12 hours of daylight, consistent with the patterns observed during August and the preceding months of spring and summer. This trend highlights a gradual transition as the days begin to shorten after the long, bright days of summer, with daylight peaking at 13 hours in June and July. As the year shifts into the fall months, Jacmel's daylight begins to taper off again, moving towards the 11 hours of light typical in the winter months. This rhythm of extended daylight in the summer months, followed by a gentle decline, paints a vivid picture of the tropical climate’s dynamic nature throughout the year.
In September, Jacmel, Haiti, experiences a noticeable calm as the average wind speed drops to 1.6 m/s (4 mph), marking it as one of the stillest months of the year. This gentle breeze contrasts with the stronger winds felt in the summer months of July and August, which see speeds of 2.8 m/s (6 mph) and 2.5 m/s (6 mph), respectively. As summer transitions into fall, the wind further slows, continuing a trend observed from October onward, where speeds hover around 2.3 m/s (5 mph). The gradual decline in wind speed from the lively summer to the tranquil autumn reflects a shift in the island’s atmosphere, inviting a sense of peace and stillness that permeates the vibrant town of Jacmel.
Weather in Jacmel varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jacmel, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather tends to be warmer and more humid, with average temperatures reaching around 26°C (79°F) and highs of 30°C (87°F). This month also experiences significant rainfall, with 127 mm (5.0 in) of precipitation spread over 23 days, contributing to a high humidity level of 76%. In contrast, January is noticeably cooler and drier, with average temperatures at 24°C (75°F) and maximums of 28°C (82°F). Rainfall drastically decreases to just 19 mm (0.8 in) over 5 days, resulting in lower humidity at 65%. For a detailed look at the conditions during this month, you can visit Jacmel weather in January.
September and February showcase distinct weather patterns, reflecting the transition from late summer to early winter. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average temperature of 26°C (79°F). This month is characterized by higher humidity at 76% and considerable rainfall, totaling 127 mm (5.0 in) over 23 days. In contrast, February offers a milder climate, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 28°C (82°F), and an average of 24°C (75°F). Notably, the precipitation drops significantly to just 22 mm (0.9 in) over 6 days, accompanied by a lower humidity level of 63%. For a more detailed look at February weather, check out Jacmel weather in February.
In September, the weather tends to be warmer and more humid, with average temperatures around 26°C (79°F) and daily highs reaching up to 30°C (87°F). The month is also characterized by significant precipitation, totaling 127 mm (5.0 in) over 23 days, resulting in a high humidity level of 76%. In contrast, March experiences slightly cooler temperatures, with averages around 24°C (75°F) and maximums of 27°C (82°F). Additionally, precipitation is lower at 76 mm (3.0 in) over just 14 days, contributing to a more comfortable humidity level of 62%. For more specific details on March weather, you can visit Jacmel weather in March.
September and April exhibit distinct weather patterns, with September typically being warmer and more humid. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average temperature of 26°C (79°F). This month also experiences significantly higher precipitation at 127 mm (5.0 in) over 23 days, resulting in a humidity level of 76%. In contrast, April offers slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 28°C (82°F), averaging 24°C (76°F). It also sees less rainfall, totaling 108 mm (4.2 in) across 20 days, and a lower humidity level of 62%. For more details about April weather, check out Jacmel weather in April.
When comparing the weather in September and May, September tends to be slightly warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), while May's temperatures range from a minimum of 22°C (72°F) to a maximum of 29°C (84°F). September also experiences more rainfall, with 127 mm (5.0 in) of precipitation over 23 days, compared to May's 92 mm (3.6 in) over 19 days. Additionally, September has a higher humidity level at 76%, whereas May's humidity is more moderate at 60%. For more detailed insights, you can check Jacmel weather in May.
In comparing the weather between June and September, we see that both months share similar temperature ranges, with a minimum of 23°C (74°F) and an average of 26°C (79°F). However, September typically experiences slightly warmer maximum temperatures, reaching up to 30°C (87°F) compared to June's maximum of 29°C (85°F). Additionally, September is noticeably wetter, with 127 mm (5.0 in) of precipitation over 23 days, while June sees less rainfall at 79 mm (3.1 in) over 17 days. The humidity is also higher in September at 76%, versus June's 61%. For those interested in more detailed information about June weather, you can visit Jacmel weather in June.
When comparing the weather in September and July, we observe some notable differences. September features a slightly lower minimum temperature of 23°C (74°F) compared to July's 24°C (75°F), while the average temperatures remain relatively similar, at 26°C (79°F) for September and 26°C (80°F) for July. However, September experiences significantly higher precipitation, with 127 mm (5.0 in) over 23 days, compared to July's 89 mm (3.5 in) over 19 days. Additionally, September has a higher humidity level at 76%, while July's humidity is at 70%. For a detailed look at July's weather specifics, you can check Jacmel weather in July.
In comparing the weather patterns of September and August, we find that both months have similar minimum temperatures at 23°C (74°F), with September experiencing a slightly higher average temperature of 26°C (79°F) as compared to August's 26°C (80°F). The maximum temperature in September reaches 30°C (87°F), which is marginally warmer than August's maximum of 29°C (85°F). While September sees a decrease in total precipitation to 127 mm (5.0 in) over 23 days, August had a wetter profile with 150 mm (5.9 in) over 21 days. However, humidity remains consistent at 76% for both months. For more detailed insights, you can check Jacmel weather in August.
In comparing the weather of September and October, we see that both months maintain similar temperature ranges, with minimums at 23°C (74°F), average temperatures around 26°C (79°F), and maximums reaching 30°C (85°F in October, slightly lower than September's 87°F). However, October experiences a slight decrease in precipitation, totaling 119 mm (4.7 in) over 20 days compared to September's 127 mm (5.0 in) over 23 days. Humidity remains consistent across both months at 76%, indicating that while the rainfall might lessen slightly in October, the overall tropical feel persists. For more detailed insights, you can check Jacmel weather in October.
September and November both exhibit warm temperatures, but September tends to be slightly warmer overall. In September, the average temperature reaches 26°C (79°F), with a maximum of 30°C (87°F), compared to November's average of 25°C (77°F) and a maximum of 29°C (84°F). Precipitation is also more frequent in September, with rainfall occurring on 23 days and totaling 127 mm (5.0 in), whereas November sees less rain, accumulating 106 mm (4.2 in) over just 15 days. Despite these variations, both months maintain a consistent humidity level of around 76%. For more details, check out Jacmel weather in November.
September and December present contrasting weather patterns. In September, temperatures typically range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F). The month is characterized by significant rainfall, totaling 127 mm (5.0 in) over 23 days, accompanied by high humidity levels at 76%. Conversely, December offers a milder climate, with temperatures peaking at a maximum of 28°C (82°F), a minimum of 21°C (69°F), and an average of 24°C (76°F). Precipitation drops considerably to 25 mm (1.0 in) over just 6 days, and humidity decreases slightly to 71%. For more detailed information, you can visit Jacmel weather in December.
September in Jacmel brings a notable shift in weather, characterized by higher humidity and frequent rain compared to the drier months. The average temperature remains warm, but the increased precipitation—spreading over nearly three-quarters of the month—creates a lush environment. While the highs reach a comfortable 30°C, the persistent showers mean that visitors should prepare for a more variable climate. This blend of warmth and moisture fosters vibrant landscapes, making it a unique time to experience Jacmel's natural beauty. For more insights on the weather patterns throughout the year, explore Jacmel Climate.