Last updated: August 21, 2025
Experience the tropical climate of Saint-Laurent-du-Maroni, French Guiana in September, where temperatures soar to a maximum of 35°C (95°F) and linger around a pleasant average of 27°C (81°F). Evenings offer a comfortable respite with minimum temperatures of 22°C (72°F). Expect the month to be quite wet, with approximately 130 mm (5.1 in) of rainfall spread over 19 days, contributing to the lush landscape. With a humidity level of 62%, the air is rich and tropical, perfect for enjoying the vibrant local culture and natural beauty.
In September, Saint-Laurent-du-Maroni, French Guiana experiences a notable warmth, with minimum temperatures hovering around 22°C (72°F) and maximums reaching up to 35°C (95°F). As the month progresses, the average temperature settles at a comfortable 27°C (81°F), reflecting a slight rise from the preceding months. This trend showcases the region's tropical climate, where the heat remains consistent throughout the year, but September's higher temperatures mark the transition toward the warmer, more humid months ahead. The warmth can be invigorating, inviting both locals and travelers to bask in the ambiance of this vibrant locale. With such steamy conditions, a refreshing dip in the river or a shaded retreat becomes all the more appealing.
In September, Saint-Laurent-du-Maroni receives an average precipitation of 130 mm (5.1 in) over 19 days, marking a notable dip in rainfall compared to the heavier downpours experienced in the preceding months of April, May, and June, which averaged over 300 mm. This decrease suggests a transition towards the drier months, as rainfall begins to taper off following the peak wet season. However, the 130 mm still reflects the region's overall humid climate, reinforcing the idea that while September offers a brief respite, the rains are never far behind in this lush French Guiana locale.
In September, Saint-Laurent-du-Maroni experiences a dip in humidity, averaging around 62%—the lowest for the year. This transition follows the more humid months of June and July, where levels soared to a steamy 86% and 76% respectively. As the region shifts from the wet season, the humidity gradually decreases, with August showing a slight recovery at 65%. Following September, there's a minor rebound in October to 63%, yet the overall trend suggests a gradual easing of moisture in the air as the year progresses, highlighting the region's characteristic tropical climate.
In September, Saint-Laurent-du-Maroni continues to experience an extreme UV Index of 13, maintaining a consistent trend observed throughout the year. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures against intense sun exposure. The UV index has remained notably high from January to September, indicating that this region demands serious sun safety awareness during these months. As we move into the latter part of the year, it's clear that the need for vigilance against UV radiation remains paramount. For more detailed information, check out the Saint-Laurent-du-Maroni UV Index.
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September in Saint-Laurent-du-Maroni, French Guiana, basks in 335 hours of sunshine, continuing the region's trend of abundant sunlight as summer transitions into fall. This month stands out as a close continuation of the abundant sunshine experienced in August, which boasted an impressive 343 hours. The pattern of increasing daylight hours from the beginning of the year peaks during the mid-year months, tapering only slightly as the year progresses. Following a robust summer, September's radiant days signal the gradual shift towards the rainy season, yet it remains a prime time for outdoor activities under the vibrant sun. As the year draws to a close, one can anticipate a comforting warmth from the tropical sun, contributing to a consistently bright atmosphere throughout the region.
As September arrives in Saint-Laurent-du-Maroni, the likelihood of sunny weather notably increases, with a 38% chance of sunshine. This marks a distinct improvement compared to the preceding months, particularly following the typically drier and less sunny periods in April and May, when the chances dipped to just 11% and 10% respectively. The month of August begins the upward trend with a respectable 31%, but September truly shines as it leads into October's 29% chance, signaling a positive shift toward sunnier days. This makes September an appealing time for outdoor activities, as the golden rays make their grand return to the skies of French Guiana.
In Saint-Laurent-du-Maroni, French Guiana, the daylight duration displays a consistent rhythm throughout the year. Starting in January and February with around 11 hours of daylight, the days gradually lengthen in March and persistently remain at 12 hours from March to September. This prolonged sunshine offers a vibrant period of warmth and activity. As October rolls in, daylight once again tapers to 11 hours, echoing the patterns established at the year's start. This cyclical nature of daylight not only shapes the local lifestyle but also enhances the region's lush biodiversity, making each moment in this tropical paradise a little brighter.
As September arrives in Saint-Laurent-du-Maroni, the wind gentle whispers through the lush landscapes, maintaining an average speed of 1.7 m/s (4 mph), mirroring the calmness felt throughout the month. This slight breeze is a continuation of the trend observed from the previous months, marked by a gradual decline since June's peak of 1.8 m/s (4 mph). While the winds are generally light, they create a serene atmosphere that complements the rich biodiversity of French Guiana. As the year progresses into October, a subtle uptick in wind speed is anticipated, hinting at the dynamic climatic shifts that characterize this vibrant region. Overall, September's gentle winds reflect the tranquil essence of the season, inviting both respite and reflection amidst nature's beauty.
Weather in Saint-Laurent-du-Maroni varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Laurent-du-Maroni, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, we see some notable similarities and differences. September tends to be warmer, with average temperatures peaking at 27°C (81°F) and a maximum of 35°C (95°F), while January has a slightly cooler average of 26°C (78°F) and a maximum of 31°C (88°F). Both months experience significant rainfall, with September receiving 130 mm (5.1 in) and January a bit more at 144 mm (5.7 in). Interestingly, both months have around 19 days of precipitation, but January's humidity level is higher at 70%, compared to September's 62%. For a detailed look at January's climate in this region, you can check out Saint-Laurent-du-Maroni weather in January.
September and February in Saint-Laurent-du-Maroni present slightly different weather patterns. September tends to be warmer, with average temperatures reaching 27°C (81°F) and highs of 35°C (95°F), while February has slightly cooler averages at 26°C (78°F) and a maximum of 32°C (89°F). In terms of rainfall, September experiences more precipitation with 130 mm (5.1 in) over 19 days compared to February's 108 mm (4.3 in) over 15 days. Additionally, February has a marginally higher humidity level at 66% compared to September's 62%. For more detailed insights, you can check out Saint-Laurent-du-Maroni weather in February.
When comparing the weather in September and March, both months exhibit warm temperatures, but September tends to be slightly hotter with maximums reaching 35°C (95°F) compared to March's maximum of 32°C (89°F). The average temperature in September is 27°C (81°F), while in March, it is a bit cooler at 26°C (79°F). Additionally, September experiences a bit more precipitation with 130 mm (5.1 in) over 19 days, in contrast to March's 113 mm (4.5 in) over 17 days. Humidity levels are also slightly higher in March at 66%, compared to 62% in September. For a detailed overview of March weather, you can check Saint-Laurent-du-Maroni weather in March.
September and April exhibit notable differences in weather patterns, despite their similar minimum temperatures of 22°C (72°F). September tends to be warmer overall, with average highs reaching 35°C (95°F), compared to April's maximum of 32°C (89°F). However, April experiences significantly higher precipitation, totaling 304 mm (12.0 in) over an average of 25 days, while September receives 130 mm (5.1 in) across 19 days of rainfall. The humidity is also slightly higher in April at 66% compared to 62% in September, contributing to a more tropical feel during that month. For more specific details regarding April weather, you can visit Saint-Laurent-du-Maroni weather in April.
In comparing the weather between September and May, both months experience a warm climate with minimum temperatures starting at 22°C (72°F). However, September tends to be hotter overall, with average temperatures hitting 27°C (81°F) and maximums reaching 35°C (95°F). In contrast, May has a slightly cooler average temperature of 26°C (79°F) and a maximum of 32°C (90°F). Rainfall is significantly higher in May, with 410 mm (16.2 in) over 29 days, compared to September's 130 mm (5.1 in) over 19 days. Additionally, May exhibits a higher humidity level at 68%, in contrast to September's 62%. For more specific details on May weather, check out Saint-Laurent-du-Maroni weather in May.
September weather in Saint-Laurent-du-Maroni is characterized by slightly warmer temperatures, with averages around 27°C (81°F) and maximums reaching 35°C (95°F). In contrast, June tends to be a bit cooler overall, averaging 26°C (79°F) with maximums of 33°C (92°F). However, June experiences significantly higher rainfall, with 420 mm (16.5 in) of precipitation over 29 days, compared to September's 130 mm (5.1 in) spread over 19 days. The humidity in June is also higher at 86%, while September sees a more manageable humidity level of 62%. For more details on June weather, you can refer to Saint-Laurent-du-Maroni weather in June.
In September, the weather in Saint-Laurent-du-Maroni features slightly warmer average temperatures, with a minimum of 22°C (72°F), an average of 27°C (81°F), and a maximum of 35°C (95°F). In contrast, July experiences a cooler average temperature, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 33°C (91°F). However, July sees significantly higher precipitation, totaling 318 mm (12.5 in) over 28 days, compared to September’s 130 mm (5.1 in) across 19 days. Additionally, July's humidity levels are higher at 76%, while September’s humidity is at a relatively lower 62%. For more detailed insights on the weather during this month, you can check Saint-Laurent-du-Maroni weather in July.
In September, the weather remains quite similar to August, with minimum temperatures around 22°C (72°F) and average highs reaching 35°C (95°F). However, September experiences less precipitation, totaling 130 mm (5.1 in) over 19 days, compared to August's 171 mm (6.7 in) over 23 days. The humidity also slightly decreases in September, averaging 62% compared to August's 65%. For more detailed information on August weather, you can check out Saint-Laurent-du-Maroni weather in August.
In comparing the weather of September with October, we see some similarities and slight variations. Both months maintain a minimum temperature of 22°C (72°F) and an average of 27°C (81°F). However, October sees a slightly lower maximum temperature of 34°C (93°F) compared to September's 35°C (95°F). Precipitation also decreases, with October experiencing 110 mm (4.3 in) over 21 days, while September had 130 mm (5.1 in) over 19 days. Humidity remains comparable, rising slightly from 62% in September to 63% in October. For a detailed look at the weather specifics for this time of year, you can visit Saint-Laurent-du-Maroni weather in October.
In September, the weather in Saint-Laurent-du-Maroni features warm temperatures, with a minimum of 22°C (72°F), an average of 27°C (81°F), and a maximum of 35°C (95°F). However, this month experiences significant rainfall, with 130 mm (5.1 in) across 19 days and a humidity level of 62%. In contrast, November sees slightly lower maximum temperatures, peaking at 33°C (92°F), while maintaining the same minimum and average temperatures. Notably, precipitation increases to 257 mm (10.1 in) over 28 days, and humidity rises to 74%. For more detailed weather information, you can explore Saint-Laurent-du-Maroni weather in November.
In September, the weather is generally warm and humid, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (95°F), and an average of 27°C (81°F). This month experiences significant rainfall, totaling 130 mm (5.1 in) over approximately 19 days, resulting in a relatively lower humidity level of 62%.
In contrast, December offers slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 32°C (89°F), averaging around 26°C (79°F). However, it is notably wetter, with precipitation reaching 277 mm (10.9 in) spread over 29 days and a higher humidity of 79%. For a more detailed comparison, you can explore Saint-Laurent-du-Maroni weather in December.
As September unfolds in Saint-Laurent-du-Maroni, the weather showcases a captivating blend of warmth and humidity, setting it apart from the preceding months. With maximum temperatures reaching a toasty 35°C, the average warmth lingers around 27°C, inviting outdoor activities despite the frequent rainfall. Rainfall is prominent this month, with 130 mm collected over approximately 19 days, making it one of the wetter months of the year. The average humidity hovers at a comfortable 62%, contributing to the tropical atmosphere but also hinting at the impending shift toward more intense rainy seasons. For a deeper dive into the climate nuances throughout the year, explore Saint-Laurent-du-Maroni Climate.