Last updated: August 21, 2025
In September, Marigot, Dominica experiences a tropical climate marked by warm temperatures and notable humidity, with an average of 27°C (81°F). Daily highs can reach 28°C (83°F), while nighttime lows dip to 25°C (77°F). This month is characterized by significant rainfall, totaling 136 mm (5.4 in) across 20 days, contributing to the lush greenery of the island. The 80% humidity levels create a humid but vibrant atmosphere, perfect for soaking in the natural beauty and exploring the rich biodiversity of this Caribbean paradise.
In September, Marigot, Dominica, experiences a delightful transition into slightly warmer conditions, with temperatures reflecting a minimum of 25°C (77°F) and peaking at 28°C (83°F). The average temperature hovers around 27°C (81°F), highlighting a subtle increase compared to the preceding months. This trend showcases the gradual warming that characterizes the late summer and early autumn in the region. As September unfolds, visitors can expect pleasant warmth, ideal for enjoying the stunning landscapes and vibrant culture of Dominica. Overall, the month offers a comfortable climate that is perfect for both relaxation and adventure, embodying the island’s tropical charm.
In September, Marigot, Dominica experiences substantial rainfall, with a notable precipitation amount of 136 mm (5.4 inches) spread across 20 days. This marks a slight decrease from the peak rainfall of August, which typically sees 139 mm (5.5 inches) and the same number of wet days. The trend for the months leading into September reveals a gradual increase in precipitation, starting from a relatively dry January, with rainfall intensifying as the summer progresses. This pattern, characterized by the transition from June's 89 mm to July's 113 mm and subsequently to August, suggests that September finds itself at the tail end of the rainy season, preparing for a slight uptick again in October. As such, September's climate strikes a balance, offering lush scenery tempered with frequent showers that nourish the island's vibrant landscapes.
In September, Marigot, Dominica experiences a humidity level of 80%, continuing a trend of elevated moisture that has been characteristic of the region through the late summer months. Following a peak in July at 84%, humidity dips slightly but remains relatively high. This consistency between the warmer months underscores the tropical climate of Dominica, where humidity typically hovers in the high seventies and early eighties from May through August. As the year progresses, humidity levels begin to stabilize around 80% into the fall, providing a warm and lush environment that is both refreshing and invigorating for visitors and locals alike.
In September, Marigot, Dominica experiences a UV Index of 13, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend reflects the region's consistent high UV levels throughout the summer months, which peak in April and July at an index of 14. As the year progresses towards October, the UV Index slightly dips to 12, yet it remains a concern for skin safety. Visitors and residents alike should take precautions against strong sunlight, especially during this time when the UV intensity is notably high. For more details on the UV Index throughout the year, visit Marigot UV Index.
UV Risk Categories
September in Marigot, Dominica, shines brightly with 317 hours of sunshine, marking it as a month where warm rays continue to grace the island as summer transitions into fall. Following the peak sunshine months of May and July, September maintains a robust amount of sunlight, though it sees a natural dip as the rainy season approaches. This trend reflects a gradual shift from the long, sun-drenched days of summer, yet it still offers ample opportunity for outdoor adventures and exploration. As the island's lush landscapes bask in the soft glow of September sun, visitors can enjoy a lingering taste of summer's warmth before the year begins to cool.
In September, Marigot, Dominica, enjoys a relatively pleasant 58% chance of sunny weather, making it one of the brighter months as the island transitions from the summer to autumn season. This percentage marks a notable increase from the wetter months of June (29%) and July (51%), suggesting that while the summer rains begin to ease, travelers can still expect some delightful sunny days. As the year progresses, chances of sunshine in Marigot typically rise, peaking in the dry season, with the highest probabilities found in February (69%) and November (66%). September strikes a balance, offering a blend of warm weather and the occasional refreshing shower, perfect for those looking to experience the lush beauty of Dominica without the peak tourist crowds.
In Marigot, Dominica, September offers a refreshing balance of 12 hours of daylight, maintaining the duration observed in the summer months of July and August. This consistency marks a transition from the longer days of June, which boast up to 13 hours of sunlight. As the year progresses, daylight gradually recedes, returning to 11 hours by October, yet September enjoys a sweet spot where the days remain invitingly long. The trends showcase how the vibrant Caribbean environment embraces a near-constant daylight duration through mid-year, before gently easing into the shorter days of autumn.
As September rolls into Marigot, Dominica, the winds take a noticeable dip, with average speeds dropping to 5.5 m/s (12 mph). This marks the lowest point of the year, a significant contrast to the brisk gusts experienced in the earlier summer months, where values peaked around 8.7 m/s (20 mph) in July. Typically ushering in the transition from the vibrant summer, September's gentler breezes invite a sense of calm, making it a perfect time for locals and visitors alike to savor the beauty of the island at a more relaxed pace. In fact, after September, wind speeds find a gradual recovery, hinting at the dynamic shifts that characterize this tropical paradise throughout the year.
Weather in Marigot varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Marigot, 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 25°C (77°F) to a maximum of 28°C (83°F), with an average of 27°C (81°F). This month also experiences quite a bit of rainfall, with 136 mm (5.4 in) distributed over 20 days, resulting in high humidity levels of 80%. In comparison, January has slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 26°C (79°F), averaging 25°C (77°F). Rainfall is significantly lower, at 51 mm (2.0 in) over 16 days, and humidity remains relatively consistent at 78%. For more details on the January weather, visit Marigot weather in January.
When comparing the weather in September and February, September tends to be warmer and more humid. With average temperatures around 27°C (81°F) and high humidity at 80%, it creates a tropical atmosphere that is typical for this time of year. In contrast, February features slightly cooler temperatures, averaging 24°C (76°F), and a bit less humidity at 77%. Additionally, September experiences significantly more precipitation, with 136 mm (5.4 in) over 20 days, while February sees only 51 mm (2.0 in) across 16 days. For more detailed information, you can check this link: Marigot weather in February.
In comparing September and March weather, September tends to be warmer and wetter. The minimum temperatures in September start at 25°C (77°F), with an average of 27°C (81°F) and maximums reaching 28°C (83°F), while March has slightly cooler temperatures that range from a minimum of 22°C (72°F) to a maximum of 26°C (79°F). Additionally, September experiences significantly more precipitation, averaging 136 mm (5.4 in) over 20 days compared to March's 53 mm (2.1 in) over 18 days. Humidity levels remain similar, with September at 80% and March at 78%. For a more detailed look at conditions, you can visit Marigot weather in March.
In comparing the weather between September and April, September tends to be slightly warmer, with average temperatures reaching around 27°C (81°F), compared to April’s average of 25°C (77°F). While both months experience a fair amount of rainfall, September sees significantly more precipitation at 136 mm (5.4 in) over 20 days, which is in stark contrast to April’s 49 mm (1.9 in) over 16 days. Additionally, humidity levels are relatively high in both months, with September at 80% and April at 78%. For more specific details, you can check out Marigot weather in April.
In comparing September and May weather, September typically experiences slightly warmer temperatures, with averages around 27°C (81°F), while May's average sits at 26°C (78°F). Both months share a similar humidity level of 80%, which contributes to a lingering warmth. However, September is notably wetter, with 136 mm (5.4 in) of precipitation over about 20 days, compared to May’s 59 mm (2.3 in) across 15 days. This higher rainfall in September can lead to a more humid atmosphere, making May feel drier despite the comparable heat. For more specific details about weather trends, check out Marigot weather in May.
In comparing the weather between June and September, both months share similar temperature ranges, with June experiencing a minimum of 24°C (75°F) and an average of 26°C (79°F), while September sees a slightly warmer minimum of 25°C (77°F) and an average of 27°C (81°F). However, September is notably wetter, with total precipitation of 136 mm (5.4 in) over 20 days compared to June's 89 mm (3.5 in) over 21 days. Additionally, humidity levels are slightly higher in September at 80%, compared to June's 82%. For more detailed information, you can explore Marigot weather in June.
In July, the weather is characterized by slightly cooler temperatures, with a minimum of 24°C (76°F) and an average of 26°C (80°F), while September offers a warmer minimum of 25°C (77°F) and a similar average of 27°C (81°F). Both months experience maximum temperatures of 28°C (82°F in July and 83°F in September), reflecting consistent warmth. However, September stands out with a higher precipitation rate of 136 mm (5.4 in) over 20 days, compared to July's 113 mm (4.5 in) over 24 days, indicating that September is overall wetter despite having fewer rainy days. Additionally, humidity levels are slightly higher in July at 84% compared to 80% in September. For a closer look at July's weather specifics, visit Marigot weather in July.
In comparing the weather of September and August, we observe a slight decrease in average temperature, with September averaging 27°C (81°F) compared to August's consistent 27°C (80°F). Both months have similar maximum temperatures, but September has a slightly higher minimum temperature of 25°C (77°F) versus August's 24°C (76°F). Precipitation levels are also comparable, with September receiving 136 mm (5.4 in) over 20 days and August slightly wetter at 139 mm (5.5 in) over 24 days. Humidity remains relatively high in both months, with September at 80% and August at 82%. For more detailed insights into August weather, you can refer to Marigot weather in August.
In September, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), reaching a maximum of 28°C (83°F). However, the month also experiences significant rainfall, totaling 136 mm (5.4 in) over 20 days, with humidity consistently high at 80%.
Transitioning into October, the temperatures remain quite similar, with a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 28°C (83°F). Nonetheless, October sees an increase in precipitation to 152 mm (6.0 in), spread across 22 days, while humidity levels stay steady at 80%. For more specific insights into the weather patterns for this month, check Marigot weather in October.
September and November exhibit similar warm temperatures, with September having an average of 27°C (81°F) and November slightly lower at 26°C (79°F). Both months feature minor variations in rainfall, as September receives 136 mm (5.4 in) over 20 days, while November sees 126 mm (4.9 in) over 21 days. Humidity remains consistent at 80% in both months, contributing to a tropical feel. For more specific information, you can check Marigot weather in November.
In comparing the weather between September and December, we see a slight decrease in temperature, with December's averages ranging from a minimum of 23°C (73°F) to a maximum of 27°C (81°F), whereas September features minimums of 25°C (77°F) and maximums reaching 28°C (83°F). Additionally, December tends to be drier, with only 81 mm (3.2 in) of precipitation over 22 days, compared to September's 136 mm (5.4 in) spread over 20 days. Humidity levels remain relatively consistent, hovering around 80% in September and slightly lower at 79% in December. For a more detailed look at December weather, visit Marigot weather in December.
As September rolls in, Marigot experiences a distinctive shift in its weather patterns. With average temperatures hovering around 27°C (81°F), the warmth feels more subdued compared to the peak summer months, allowing for a pleasant outdoor experience despite the high humidity levels of 80%. However, this month is also characterized by frequent rain, with about 20 days receiving precipitation, leading to a total of 136 mm (5.4 in)—an increase that sets September apart from its drier counterparts. While it may be a wetter month, the lush landscapes and vibrant atmosphere contribute to Marigot's charm during this transitional period. For a deeper understanding of the climatic nuances of this region, check out Marigot Climate.