Last updated: August 21, 2025
September in Oistins, Barbados offers a tropical experience marked by warm temperatures and rich humidity. Daily highs typically reach 29°C (85°F), while the average temperature settles around 28°C (82°F), providing a pleasant atmosphere for outdoor activities. Evenings cool down to a comfortable 25°C (78°F). This month is also characterized by significant rainfall, with 150 mm (5.9 in) falling over approximately 18 days, contributing to the lush landscape. The humidity hovers around a notable 80%, wrapping the island in a warm embrace, perfect for enjoying the vibrant local culture and stunning coastal views.
In September, Oistins, Barbados, experiences a delightful transition into autumn, marked by temperatures that are warm yet comfortable. With a minimum of 25°C (78°F) and an average temperature rising to around 28°C (82°F), this month offers a perfect blend of sultry sunshine and refreshing sea breezes. The maximum temperatures peak at 29°C (85°F), making it ideal for beach outings and water activities. As the summer heat gradually tapers off, September maintains the tropical charm that visitors cherish, while still ensuring that's just enough warmth to savor those stunning sunsets over the Caribbean. Overall, this month embodies a vibrant fusion of warmth and relaxation, appealing to both sun-seekers and adventure enthusiasts alike.
In September, Oistins, Barbados, experiences significant rainfall, with 150 mm (5.9 in) of precipitation recorded over an average of 18 days. This marks a slight decline from the previous month’s peak in August, which saw 169 mm (6.6 in) spread across 25 days. Despite the decrease, September remains part of the island's wetter season, with dynamic weather patterns keeping the landscape lush and vibrant. As the month transitions into October, the precipitation tends to rise again, peaking at 188 mm (7.4 in), highlighting a distinctive trend of increased rainfall leading into the fall months. This rhythm of rainfall is crucial for maintaining the region's tropical environment, setting the stage for the lush beauty that defines the Caribbean.
In September, Oistins, Barbados experiences a humidity level of 80%, aligning closely with the previous month, August, which also recorded the same. As we transition from the dry season to the wet months, humidity levels start to rise gradually, having increased from 77% in February. The overall trend indicates a general increase in humidity towards the middle of the year, peaking in July at 84% before slightly decreasing in August and stabilizing in September. This pattern reflects the tropical climate’s characteristic warmth and moisture, creating a lush, vibrant environment ideal for both relaxation and exploration. As you enjoy the beautiful beaches of Oistins, keep in mind that the humidity adds to that signature Caribbean charm!
In September, Oistins, Barbados experiences a UV Index of 14, marking it as an extreme exposure category with a burn time of just 10 minutes. This month continues the trend witnessed throughout the summer, where the UV Index remains consistently high at 13-14 between June and September. With these elevated levels, sun safety is paramount—sunscreens, protective clothing, and shade are essential to enjoy the vibrant beach life without the risk of sunburn. As the year progresses into October, a slight dip to a UV Index of 13 offers little relief, reminding visitors to stay vigilant. For more detailed insights, visit the Oistins UV Index.
UV Risk Categories
As the summer winds down and September arrives in Oistins, Barbados, the island still basks in a generous 322 hours of sunshine, maintaining a warm glow that lingers in the air. This month marks a slight dip compared to the vibrant peak of 349 hours in May and the sun-soaked 350 hours of July, yet it still holds its own against the backdrop of the year’s climate. The consistent sunshine pattern from spring through summer showcases the island's allure, with only minor fluctuations as the year progresses. As autumn gently nudges in, Oistins continues to thrive under a tapestry of sunny skies, offering an inviting atmosphere for both locals and visitors alike.
September in Oistins, Barbados, offers a 53% chance of sunny weather, making it a delightful time for beachgoers and sun-seekers. As summer begins to wane, the likelihood of sunshine slightly rises compared to the months of July and August, which hover around the 47-50% mark. This trend suggests that September strikes a balance, providing hazy yet warm days that are ideal for exploring the vibrant local culture or soaking up the sun. While not the sunniest month of the year, the chances of clear skies in September are notably better than in the preceding summer months, making it a lovely option for those looking to embrace the last vestiges of summer.
In Oistins, Barbados, the month of September continues the trend of abundant daylight with a consistent 12 hours of sunlight. This duration mirrors the previous months of June through August, showcasing the island's enviable tropical climate. As the year progresses from March to September, daylight remains steadfast, allowing residents and visitors alike to fully embrace the outdoors. However, as autumn approaches, daylight begins to wane in October, dropping back to 11 hours—a gentle reminder of the seasonal changes that lie ahead. This harmonious balance of light throughout the warmer months underscores the allure of Oistins, making it a cherished destination for sun-seekers year-round.
As summer transitions to fall in Oistins, Barbados, September marks a noticeable dip in the average wind speed, dropping to a gentle 5.0 m/s (11 mph). This tranquil breeze contrasts with the more vigorous gusts of earlier months, such as February's peak of 9.5 m/s (21 mph) and May's robust 8.4 m/s (19 mph). Following a steady decrease from July through August, where the winds softened to 6.5 m/s (15 mph), September’s lighter winds create a serene atmosphere, perfect for enjoying calm beach days. As the month progresses into October, a slight uptick to 7.5 m/s (17 mph) resumes, signaling a gradual return to livelier conditions. This ebb and flow of wind speeds throughout the year not only shapes the island’s weather patterns but also enriches the coastal experience for locals and visitors alike.
Weather in Oistins varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Oistins, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is typically warmer, with temperatures ranging from a minimum of 25°C (78°F) to an average of 28°C (82°F) and a maximum of 29°C (85°F). This month also sees significant rainfall, averaging 150 mm (5.9 in) over 18 days, paired with a high humidity level of 80%. In contrast, January experiences slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 26°C (78°F), and a maximum of 27°C (81°F). The precipitation in January is much lower, at 42 mm (1.6 in) over 12 days, and the humidity is marginally less, at 78%. For more detailed information about the weather in January, you can visit Oistins weather in January.
When comparing the weather in September and February, notable differences emerge in temperature, precipitation, and humidity. September tends to be slightly warmer, with average temperatures reaching 28°C (82°F) and a maximum of 29°C (85°F), while February's temperatures are a bit cooler, averaging 25°C (78°F) with a maximum of 27°C (80°F). Precipitation is significantly higher in September, totaling 150 mm (5.9 in) across 18 days, compared to February’s much lower 31 mm (1.2 in) over 13 days. Additionally, while both months experience high humidity, September's levels are slightly elevated at 80%, compared to February's 77%. For a more detailed look at the weather specifics in February, you can visit Oistins weather in February.
When comparing the weather in September and March, we see notable differences in both temperature and precipitation. September features warmer temperatures with a minimum of 25°C (78°F) and an average of 28°C (82°F), peaking at 29°C (85°F). This month also experiences significantly higher rainfall, with 150 mm (5.9 in) of precipitation over 18 days, coupled with a humidity level of 80%. In contrast, March offers slightly cooler conditions, with a minimum of 24°C (75°F), an average of 26°C (78°F), and a maximum of 27°C (80°F). The precipitation during this month is much lower at 33 mm (1.3 in) over 13 days, and humidity drops slightly to 78%. For more specific weather details, check Oistins weather in March.
In September, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F) and an average of 28°C (82°F). This month also experiences significant rainfall, totaling 150 mm (5.9 in) over about 18 days, contributing to humidity levels around 80%. In contrast, April offers slightly cooler temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (82°F). Rainfall is much less in April, with only 25 mm (1.0 in) over 9 days and a humidity level of 78%. The contrast between the two months highlights a shift from a wetter, more humid September to a drier and slightly cooler April. For more detailed insights, you can refer to Oistins weather in April.
When comparing the weather in September and May, both months exhibit warm temperatures, with September having a slightly higher average high of 29°C (85°F) compared to May's 28°C (83°F). However, September is much wetter, experiencing 150 mm (5.9 in) of precipitation over 18 days, while May enjoys a more moderate rainfall of just 41 mm (1.6 in) across 10 days. Both months maintain a humidity level of around 80%, contributing to a generally muggy feel. For more detailed information, you can check out Oistins weather in May.
In comparing the weather patterns of September and June, both months share similar temperature ranges, with September having a slight edge in maximum temperatures, reaching up to 29°C (85°F) compared to June's maximum of 28°C (83°F). However, September is notably wetter, featuring a significant increase in precipitation at 150 mm (5.9 in) over 18 days, while June experiences only 83 mm (3.3 in) over 17 days. Humidity levels remain comparable, with September at 80% and June at 82%. For a closer look at June weather specifics, you can check Oistins weather in June.
In comparing the weather between July and September, both months experience similar minimum temperatures, averaging around 25°C (77°F to 78°F). However, September sees slightly higher average and maximum temperatures, with averages of 28°C (82°F) and a maximum of 29°C (85°F), compared to July's averages of 27°C (81°F) and a maximum of 28°C (84°F). Rainfall is more frequent in September, with precipitation occurring on 18 days and totaling 150 mm (5.9 in), whereas July has a bit less rain, with 130 mm (5.1 in) spread over 22 days. Humidity is also slightly lower in September at 80%, compared to 84% in July. For a detailed look at July's weather, you can visit Oistins weather in July.
When comparing the weather between September and August, both months exhibit warm temperatures, with September showing a slight increase in average temperature to 28°C (82°F) from August's 27°C (81°F). Both months have a minimum temperature of around 25°C (77°F-78°F) and a maximum that peaks at 29°C (84°F-85°F). However, September experiences more rainfall, accumulating 150 mm (5.9 in) over 18 days, compared to August’s 169 mm (6.6 in) over 25 days. Despite the increased precipitation in August, both months maintain a consistent humidity level of 80%. For a more detailed look at August weather, you can check Oistins weather in August.
In comparing the weather patterns of September and October, we see that both months feature similar temperature ranges, with September having a slight edge in average temperatures at 28°C (82°F) compared to October's 27°C (81°F). However, October experiences increased rainfall, with precipitation reaching 188 mm (7.4 in) over 22 days, surpassing September's 150 mm (5.9 in) over 18 days. Humidity levels remain comparable, with October slightly higher at 81% in contrast to September's 80%. For more detailed information, you can check Oistins weather in October.
In September, the weather is characterized by warmer temperatures, with a minimum of 25°C (78°F) and an average of 28°C (82°F), peaking at a high of 29°C (85°F). The month experiences significant rainfall, totaling 150 mm (5.9 in) over 18 days, contributing to a humidity level of about 80%. In contrast, November sees slightly cooler conditions, with average temperatures dropping to 27°C (81°F) and a maximum of 28°C (83°F), while the minimum remains stable at 25°C (76°F). Rainfall decreases to 124 mm (4.9 in) but occurs over a greater number of days, totaling 20, and the humidity remains high at 81%. For a closer look at the weather specifics during this time, you can check Oistins weather in November.
In September, the weather is typically warmer, with average temperatures reaching around 28°C (82°F) and maximums peaking at 29°C (85°F). The month also sees considerable rainfall, accumulating to 150 mm (5.9 in) over 18 days, while humidity remains high at 80%. In contrast, December offers slightly cooler temperatures, with averages dropping to 26°C (80°F) and maximums of 28°C (83°F), which might be more comfortable for some. Rainfall is significantly less in December, with only 53 mm (2.1 in) recorded over 17 days, yet the humidity remains steady at 80%. For more detailed information, you can visit Oistins weather in December.
As September unfolds in Oistins, visitors can expect a delightful blend of warmth and humidity, making it distinct from the drier months. The average temperature hovers around 28°C, providing a balmy atmosphere perfect for exploring the vibrant coastal scenes. However, this month also sees increased rainfall, with precipitation occurring on nearly two-thirds of the days, which can offer refreshing interludes amid the tropical heat. The elevated humidity level of 80% contributes to a more lush environment, enhancing the natural beauty of the area. For those planning to experience the unique character of September weather, it’s advisable to embrace both sunshine and showers. Discover more about what to expect throughout the year by visiting Oistins Climate.