Last updated: August 21, 2025
Experience the vibrant weather of Falmouth, Jamaica in September, where temperatures reach a maximum of 32°C (90°F) and maintain an average of 28°C (82°F), making it a warm month overall. With nightly lows around 25°C (77°F), evenings are comfortably mild. However, be prepared for the island's typical moisture, as September sees approximately 186 mm (7.3 in) of rainfall across 27 days, contributing to a humidity level of 73%. This tropical climate creates a lush, green landscape, inviting visitors to enjoy the beautiful scenery, albeit with occasional rain showers.
In September, Falmouth, Jamaica, continues to bask in warm tropical bliss, with temperatures exhibiting a delightful consistency throughout the month. The minimum temperature hovers around 25°C (77°F), while the average climbs to 28°C (82°F), and the maximum reaches 32°C (90°F). This pattern reflects a broader trend observed in the summer months, where daytime warmth remains high, encouraging outdoor activities and beach outings. As the island transitions towards autumn, the excellent climate ensures that September remains a prime time for visitors seeking both sunshine and relaxation in this vibrant tropical paradise.
September in Falmouth, Jamaica, marks a significant peak in precipitation, with a notable 186 mm (7.3 in) of rain falling over 27 days. This month stands out after a gradual increase from the drier winter months, with rainfall beginning to intensify from May onward. The late summer months of July and August also contribute to this upward trend, with accumulating precipitation creating lush landscapes and vibrant greenery. However, September's rainfall is substantial enough to signal the height of the wet season, as it leads directly into October, which sees almost as much rainfall at 194 mm (7.6 in). Thus, the transition into autumn is characterized by a noteworthy increase in wet days, setting a rhythmic pattern of moist weather that defines this tropical locale.
In September, Falmouth, Jamaica, experiences a humidity level of 73%, which aligns with the slightly humid atmosphere characteristic of the Caribbean. This period marks a notable shift as humidity levels tend to peak toward the end of summer, building from the 69% recorded in May. Although September's humidity mirrors that of August and provides a consistent experience, it sets the stage for a rise to 76% in November, signaling the onset of the wet season. This pattern suggests a gradual increase in humidity as the year progresses, with the most noticeable spikes occurring as the region transitions towards its rainier months. Visitors during this time should be prepared for a warm, humid climate that enhances the vibrant island atmosphere.
September in Falmouth, Jamaica continues the trend of intense sun exposure typical of the summer months, with a UV Index of 13, classifying it as extreme. This level of UV radiation means that even brief sun exposure can lead to skin damage, with a burn time of just 10 minutes. Following a pattern established from February through August, September maintains this high UV index, underscoring the importance of sun protection for both locals and visitors. As the year progresses into October, the UV Index slightly decreases to 12 while still remaining in the extreme range. For more detailed information, check out the Falmouth UV Index.
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September in Falmouth, Jamaica, continues the sun-soaked trend of summer, boasting 312 hours of glorious sunshine. As the vibrant tropical landscape transitions from the peak summer months, this moderate figure reflects a slight dip from the sunniest July at 346 hours, yet it comfortably sits above the monthly averages seen earlier in the year. This consistent sunshine creates a delightful atmosphere for beachgoers and adventurers alike, as the warmth lingers without the overwhelming intensity often felt in the hotter months. With October around the corner, which typically sees a decrease to 298 hours, September stands as a bridge between the sun-drenched days of summer and the softer light of autumn, inviting visitors to soak in the last rays of summer bliss.
September in Falmouth, Jamaica, offers a 52% chance of sunny weather, marking a consistent transition in the region’s climate as summer wanes. This probability aligns closely with the sunshine seen in both January and April, highlighting a balance between sun and potential rainfall. Comparatively, the months leading up to September, such as June and August, show lower sunlight chances at 42%, suggesting that September may be a refreshing return to brighter days. As the island approaches autumn, visitors can anticipate the mix of sun and occasional clouds, making it a delightful time for outdoor activities amidst the beautiful backdrop of Falmouth.
As September rolls into Falmouth, Jamaica, the island enjoys a generous 12 hours of daylight, continuing the pattern established in the preceding summer months. This vibrant shift from the longer days of June and July, which boast up to 13 hours, marks a gradual transition as the region approaches the cooler seasons. The daylight duration holds steady at 12 hours not just in September, but also in March through August, demonstrating a consistency that highlights the tropical climate's minimal fluctuation in daylight throughout the year. Following September, daylight begins to wane again, with October ushering in shorter days at 11 hours, signifying the cyclical nature of light as the year progresses. This rhythmic dance of daylight creates an ever-engaging backdrop for life in Falmouth, fostering a natural harmony with the vibrant surroundings.
As the balmy summer transitions into autumn, the September wind in Falmouth, Jamaica, offers a noticeable dip in speed, averaging just 2.4 m/s (5 mph). This decline marks the month as one of the gentler periods of the year, contrasting sharply with the brisker winds of January and December, which soar up to 3.7 m/s (8 mph) and 3.9 m/s (9 mph), respectively. June through August enjoy moderate breezes hovering around 3.2 to 3.6 m/s (7 to 8 mph), setting a pleasant backdrop for summer adventures. However, as September unfolds, the lighter winds create a serene atmosphere, perfect for relaxation by the sea. This trend of easing winds continues into October, encouraging a laid-back vibe that enchants locals and visitors alike.
Weather in Falmouth varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Falmouth, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is distinctly warmer and wetter compared to January. September boasts an average temperature of 28°C (82°F), with highs reaching up to 32°C (90°F) and significant precipitation of 186 mm (7.3 in) over 27 days. This month experiences higher humidity at 73%, making it feel quite steamy. In contrast, January sees cooler temperatures, with an average of 25°C (77°F), and maximums of 30°C (86°F). The precipitation decreases significantly to 61 mm (2.4 in) over just 13 days, while humidity remains relatively similar at 74%. For a more detailed look at January weather patterns, you can visit Falmouth weather in January.
September and February present distinctly different weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 28°C (82°F). The month is characterized by high humidity at 73% and considerable precipitation, totaling 186 mm (7.3 in) across 27 days. In contrast, February features slightly cooler temperatures, with a minimum of 21°C (70°F), an average of 25°C (77°F), and a maximum of 30°C (86°F). Precipitation drops significantly to 42 mm (1.7 in) over just 15 days, while humidity remains relatively steady at 72%. For a more detailed look at February's weather, visit Falmouth weather in February.
September and March present notable differences in weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 28°C (82°F). The month is characterized by significant precipitation, totaling 186 mm (7.3 in) over 27 days and a humidity level of 73%. In contrast, March is slightly cooler, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 30°C (87°F), and an average of 25°C (77°F). The rainfall is much lighter in March, at 86 mm (3.4 in) across 19 days, along with slightly lower humidity at 71%. For more details, you can check Falmouth weather in March.
In comparing the weather of September and April, both months display warm temperatures, but September is notably warmer overall. In September, the average temperature reaches about 28°C (82°F) with maximums hitting 32°C (90°F), whereas in April, the average temperature is slightly lower at 26°C (79°F) and maxes out at 32°C (91°F). However, September experiences significantly more precipitation, totaling 186 mm (7.3 in) over 27 days compared to April's 101 mm (4.0 in) over just 18 days. Humidity levels are quite similar, sitting around 73% in September and 72% in April, reflecting the tropical climate in both months. For more detailed information, you can check Falmouth weather in April.
In comparing the weather between September and May, September tends to be slightly warmer with average temperatures peaking at 28°C (82°F) and maximums reaching 32°C (90°F), while May has a slightly cooler average temperature of 27°C (81°F) with the same maximum. However, September experiences more rainfall, totaling 186 mm (7.3 in) over 27 days, compared to May's 207 mm (8.2 in) spread over 23 days. Additionally, humidity levels are marginally higher in September at 73%, versus 69% in May, making September feel a bit more muggy. For more information on May weather, visit Falmouth weather in May.
In comparing the weather conditions of September and June, we find that both months have quite similar average temperatures, with June having a minimum temperature of 24°C (76°F) and September slightly higher at 25°C (77°F). Both months reach a maximum of 32°C (90°F in September and 91°F in June), maintaining warm and tropical weather. However, September experiences significantly more precipitation, with 186 mm (7.3 in) over 27 days, compared to June's 120 mm (4.7 in) over 19 days. Additionally, humidity levels are slightly higher in September at 73%, compared to June's 70%. For a detailed look at June weather, visit Falmouth weather in June.
In both July and September, temperatures remain quite similar, with minimums around 25°C (77°F), averages at 28°C (82°F), and maximums reaching up to 32°C (90°F) in September and 91°F in July. However, September experiences significantly higher precipitation, with 186 mm (7.3 in) compared to July's 125 mm (4.9 in), and more rainy days—27 in September versus 22 in July. Humidity levels also remain comparable, with September at 73% and July slightly lower at 72%. To learn more about July's weather specifics, you can visit Falmouth weather in July.
In comparing the weather between September and August, we see that both months share similar temperature ranges, with minimums at 25°C (77°F), averages around 28°C (82-83°F), and maximums reaching 32°C (90°F). However, September experiences significantly more rainfall, totaling 186 mm (7.3 in) compared to August's 140 mm (5.5 in), despite both months having precipitation on 27 days. Humidity levels remain consistent at 73% for both months. For more details about August weather, you can check Falmouth weather in August.
September and October experience similar temperature ranges, with September having a slightly higher average temperature of 28°C (82°F) compared to October's 27°C (81°F). Both months see maximum temperatures reaching around 32°C (90°F) and 32°C (89°F) respectively, but October tends to have slightly more precipitation at 194 mm (7.6 in) compared to September's 186 mm (7.3 in). Additionally, September has 27 days of precipitation, while October has 25 days, with humidity levels remaining consistent at 73% for both months. For more detailed insights on October’s weather in Falmouth, you can explore Falmouth weather in October.
In comparing September and November weather, we see a noticeable shift. September typically features warmer temperatures, with a minimum of 25°C (77°F) and an average high of 32°C (90°F), while November sees slightly cooler conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F). Additionally, September experiences higher precipitation, totaling 186 mm (7.3 in) over 27 days, compared to November's 135 mm (5.3 in) spread across 22 days. Humidity levels remain quite similar in both months, with September averaging 73% and November slightly higher at 76%. For more detailed insights, you can explore Falmouth weather in November.
In September, the weather tends to be warmer and wetter, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F) and an average of 28°C (82°F). This month also experiences significant rainfall, with 186 mm (7.3 in) spread over 27 days, contributing to a high humidity level of 73%. In contrast, December brings slightly cooler temperatures, with a range from 22°C (72°F) to 30°C (86°F) and an average of 26°C (78°F). Rainfall is markedly reduced to 65 mm (2.6 in) over 16 days, and humidity remains fairly high at 75%. For more details on December weather, you can visit Falmouth weather in December.
As September unfolds in Falmouth, travelers can expect a unique blend of warmth and humidity that sets this month apart from the rest of the year. With average temperatures hovering around a comfortable 28°C, the days may feel sultry, especially considering the high humidity of 73%. Rain is also a frequent visitor, with precipitation occurring on nearly all days, contributing to a lush and vibrant landscape. This wet season fosters the ideal environment for the region's natural beauty to thrive, making September a striking period in Falmouth's climate. For a comprehensive look at the weather patterns throughout the year, check out the detailed Falmouth Climate resource.