Last updated: August 21, 2025
In September, Sandy Bay, Jamaica, experiences a warm tropical climate, with maximum temperatures reaching 32°C (90°F) and an average of 28°C (82°F), providing ideal conditions for beachgoers. The evenings offer a more comfortable minimum temperature of 25°C (77°F). However, this lush paradise is met with significant precipitation, totaling around 200 mm (7.9 in) over the course of 27 rainy days, resulting in a humidity level of 73% that enhances the vibrant greenery of the region. Visitors should be prepared for both the heat and the showers, making September a month of dynamic weather in this beautiful Caribbean locale.
In September, Sandy Bay, Jamaica, offers a delightful blend of warmth and comfort, with temperatures ranging from a mild 25°C (77°F) at night to an inviting 32°C (90°F) during the day. The consistent average of 28°C (82°F) reflects the region's tropical charm, following a slight upward trend in heat from the months preceding it. As summer transitions into autumn, September maintains similar temperatures to August, with slightly elevated conditions that promise sunny days for beachgoers and adventurers alike. This month stands out for its warm, balmy evenings, perfect for relaxing under the stars while savoring the gentle coastal breezes.
September brings a significant surge in precipitation to Sandy Bay, Jamaica, with 200 mm (7.9 in) of rainfall over approximately 27 days. This marks a peak in the wet season, following the steady increase from 166 mm (6.5 in) in August. The heavy rains contribute to the lush landscapes and vibrant ecosystems of the region, but they also signal a transition to the even wetter October, which averages 208 mm (8.2 in). As summer wanes, September's frequent showers underscore the Caribbean's dynamic weather patterns, creating a rhythm of wet and dry that shapes life in this tropical paradise.
In September, Sandy Bay, Jamaica, experiences a humidity level of 73%, maintaining the trend of high moisture typical for this coastal region. Throughout the year, humidity levels hover in the low to mid-70s for most months, with an interesting dip in May at 69%. As summer transitions to autumn, humidity remains fairly stable, with only minor fluctuations, peaking later in the year at 76% in November. This consistent humidity envelops Sandy Bay, contributing to its lush landscapes and tropical allure, making it a captivating destination year-round.
In September, Sandy Bay experiences a UV Index of 12, categorized as extreme, which calls for heightened sun safety awareness. This level of UV radiation, similar to that of October, indicates that sunburn can occur in just 10 minutes of unprotected exposure. The trend from January through August shows consistently high UV levels, peaking at 13 during the summer months. As the year transitions to September, while the UV Index slightly decreases, it remains crucial for locals and visitors alike to remain vigilant and protect their skin during outdoor activities. To learn more about the UV trends throughout the year, visit Sandy Bay UV Index.
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As the summer season winds down, September in Sandy Bay, Jamaica, embraces a delightful balance of sunshine and warmth, boasting 315 hours of glorious sunlight. This month showcases a subtle dip from the sun-drenched peaks of July and August, yet it remains vibrant compared to the earlier months of the year, such as January and February, which struggled to exceed 300 hours. The steady glow of September heralds the transition into fall, hinting at the cooler months ahead while maintaining a welcoming atmosphere for beach lovers and adventurers alike. With daylight still abundant, visitors can relish in the island's beauty, knowing that the sun continues to shine brightly, making every moment unforgettable.
September in Sandy Bay, Jamaica, boasts a 50% chance of sunny weather, mirroring the optimism found in January and April. As the summer months fade, the likelihood of sunshine shows a trend of variability, dipping to a low of 40% in June and 42% in August before steadying again in September. This means travelers can still expect a delightful mix of sun and clouds, particularly as the weather starts to transition into the fall months. With October's probability of sun slightly waning to 43%, September serves as a sweet spot for those seeking a charming blend of tropical warmth and occasional breezes.
In Sandy Bay, Jamaica, the rhythm of daylight reveals an intriguing annual pattern. As the year begins, January and February offer a consistent 11 hours of daylight, creating a serene backdrop for the early months. March marks the start of longer days, as daylight stretches to 12 hours and continues through April and May. The peak arrives in June and July, where 13 hours of sunlight invigorate the tropical landscape. However, a gentle decline follows, with daylight returning to 12 hours in August and September, bringing a gradual transition into fall. By October, 11 hours of daylight resume, echoing the quieter cadence of winter months in November and December. This subtle ebb and flow of daylight not only enriches the community's daily life but also highlights the beauty of Sandy Bay’s seasonal changes.
As summer transitions into fall in Sandy Bay, Jamaica, September brings a noticeable dip in average wind speeds, averaging just 2.3 m/s (5 mph). This decline follows the more moderate breezes of the previous months, which typically hover around 3-4 m/s. The gentle winds in September create a serene atmosphere, perfect for relaxation by the beach. As the season progresses towards October, the winds slow down further to 2.1 m/s (5 mph), offering a tranquil backdrop to the vibrant tropical scenery. Ultimately, this trend of decreasing wind speeds captures the calm essence of early autumn in this idyllic destination.
Weather in Sandy Bay varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sandy Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures are notably higher, with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 32°C (90°F). This month also experiences significant rainfall, totaling 200 mm (7.9 in) over 27 days, coupled with a humidity level of 73%. In contrast, January offers a milder climate, featuring a minimum temperature of 19°C (67°F) and an average of 25°C (77°F), with a maximum of 30°C (86°F). The precipitation drops dramatically to 57 mm (2.2 in) over just 12 days, and the humidity is slightly higher at 74%. For more details on January weather, see Sandy Bay weather in January.
September and February present distinct weather patterns, showcasing the shift from late summer to early winter. In September, temperatures are warmer, ranging 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 also experiences high precipitation, totaling 200 mm (7.9 in) over 27 days, accompanied by humidity levels around 73%. In contrast, February boasts milder temperatures, with a minimum of 21°C (70°F) and a maximum of 30°C (87°F), averaging 25°C (78°F). Precipitation is significantly lower at 42 mm (1.7 in) over just 15 days, and humidity remains relatively stable at 72%. For more detailed insights about February weather, visit Sandy Bay weather in February.
In comparing the weather conditions between September and March, September tends to be warmer, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F). In contrast, March has slightly cooler temperatures, averaging 21°C (70°F) at night and reaching up to 30°C (87°F) during the day. Additionally, September experiences significantly higher precipitation, with 200 mm (7.9 in) recorded over 27 days, while March sees only 81 mm (3.2 in) over 18 days. Despite the slight difference in humidity levels—73% in September compared to 71% in March—the overall climate in March feels more comfortable. For more detailed information, you can check Sandy Bay weather in March.
When comparing the weather in September and April, September tends to be warmer with average temperatures reaching 28°C (82°F) compared to April's average of 26°C (79°F). While September has higher maximum temperatures, peaking at 32°C (90°F), April can reach up to 33°C (91°F), making both months feel quite warm. However, September is significantly wetter, with 200 mm (7.9 in) of precipitation over 27 days, while April sees only 114 mm (4.5 in) across 19 days. Humidity remains relatively similar in both months, hovering around 73% in September and 72% in April. For more details on April weather, you can check this link: Sandy Bay weather in April.
In comparing the weather between September and May, both months experience similar maximum temperatures, peaking at around 32°C (90°F). However, September typically has a slightly higher average temperature of 28°C (82°F) compared to May's average of 27°C (81°F). While both months are quite humid, September's humidity is slightly higher at 73% versus May's 69%. Rainfall in September is considerable, with 200 mm (7.9 in) over 27 days, whereas May sees even more precipitation at 240 mm (9.4 in) across 23 days. For a detailed look at May conditions, you can check out Sandy Bay weather in May.
When comparing the weather in September and June, both months exhibit warm temperatures, with June having a slightly higher maximum average at 33°C (91°F) compared to September's 32°C (90°F). However, September sees more substantial rainfall, with 200 mm (7.9 in) over 27 days, compared to June's 143 mm (5.6 in) over 21 days. Humidity levels are also slightly higher in September at 73%, while June sits at a comfortable 70%. For a more detailed look at June's weather, visit Sandy Bay weather in June.
In comparing the weather between September and July, both months experience similar temperature ranges, with September having a slightly lower maximum temperature of 32°C (90°F) compared to July's peak of 33°C (91°F). The average temperature remains consistent, hovering around 28°C (82°F) for both months. However, September is notably more humid at 73% and sees increased rainfall, with a total precipitation of 200 mm (7.9 in) over 27 days, compared to July's 143 mm (5.6 in) over 23 days. This indicates that September tends to be wetter and more humid, which may affect outdoor activities. For a closer look at July's weather, you can visit Sandy Bay weather in July.
When comparing the weather in September to August, both months experience similar temperature ranges, with minimum temperatures around 25°C (77°F) and maximum temperatures peaking at 32°C (90°F). However, September tends to be slightly wetter, receiving 200 mm (7.9 in) of precipitation over 27 days, compared to August's 166 mm (6.5 in) over 28 days. Despite the increased rainfall in September, humidity levels remain constant at 73% for both months. For more details on August weather patterns, you can visit Sandy Bay weather in August.
September and October exhibit similar weather patterns, but there are slight differences to note. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average temperature of 28°C (82°F). The month also sees significant rainfall, totaling 200 mm (7.9 in) across 27 days, accompanied by a humidity level of 73%. In contrast, October experiences a slightly cooler temperature range with a minimum of 24°C (76°F) and an average of 27°C (81°F), while the maximum remains at 32°C (89°F). Precipitation increases to 208 mm (8.2 in), occurring over 25 days, yet the humidity remains consistent at 73%. This pattern indicates that while temperatures in October may feel a bit milder, the rainfall is slightly heavier than in September. For more details about the weather in Sandy Bay during October, you can visit Sandy Bay weather in October.
In September, the weather tends to be warmer with an average temperature of 28°C (82°F) and maximum highs reaching up to 32°C (90°F). The month experiences significant rainfall, totaling 200 mm (7.9 in) over 27 days, alongside a humidity level of 73%. In contrast, November brings slightly cooler temperatures with an average of 26°C (80°F) and a maximum of 31°C (87°F). Precipitation is also lower, with 139 mm (5.5 in) spread over 21 days and a slightly higher humidity of 76%. For more details on the weather during this month, you can check Sandy Bay weather in November.
In September, the weather is noticeably warmer with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), accompanied by high humidity levels of 73%. The month also sees significant rainfall, with precipitation occurring over 27 days and totaling 200 mm (7.9 in). In contrast, December offers a milder climate with cooler temperatures, where the average ranges from 22°C (72°F) to 30°C (86°F). Precipitation decreases significantly to 56 mm (2.2 in) spread over just 14 days, and humidity remains fairly high at 75%. For a detailed look at December conditions, you can check Sandy Bay weather in December.
September in Sandy Bay brings a blend of warm temperatures and high humidity, making it distinct from other months. With daily averages hovering around 28°C (82°F) and a notable maximum reaching 32°C (90°F), the weather invites outdoor activities despite the frequent rain. This month is characterized by 27 days of precipitation, contributing to a total of 200 mm (7.9 in) of rainfall, which is significantly higher than the drier summer months. As humidity levels rise to 73%, this creates a sultry atmosphere that enhances the tropical feel of the region. For a deeper dive into what to expect from Sandy Bay's climate throughout the year, check out Sandy Bay Climate.