Last updated: August 21, 2025
Experience the vibrant September weather in Bridgetown, Barbados, where the tropical charm shines through! With average temperatures resting comfortably at 28°C (82°F), daily highs can reach up to 29°C (85°F) and nighttime lows dip to a pleasant 25°C (78°F). While the humidity hovers around 80%, making the air feel lush and warm, the island does see an average of 150 mm (5.9 in) of rainfall across 18 days. This blend of warmth and moisture creates an inviting atmosphere for visitors seeking both relaxation and adventure in this Caribbean paradise.
In September, Bridgetown, Barbados, experiences warm and inviting temperatures, with a minimum of 25°C (78°F) and a peak reaching up to 29°C (85°F). The average temperature settles at a comfortable 28°C (82°F), maintaining the tropical allure that makes this island a favorite for travelers. As summer transitions into fall, the warmth remains consistent, reflecting a slight upward trend in heat compared to earlier months. This month stands out with its high of 29°C, tied with August and October, ensuring that visitors can bask in the sunshine while enjoying the vibrant culture and stunning landscapes of Barbados.
In September, Bridgetown experiences a significant uptick in precipitation, with an average of 150 mm (5.9 in) spread across approximately 18 days. This marks a slight decrease from the heavy rainfall seen in August, which recorded 169 mm (6.6 in) over 25 days. The month sits nestled between the peak of the wet season and the gradual onset of October, where precipitation further escalates to 188 mm (7.4 in). September's rain contributes to the lush tropical landscapes Barbados is known for, making it a captivating time for nature enthusiasts, even as the weather remains somewhat unpredictable. This trend of rising moisture levels leading into October highlights the island's climatic rhythm, setting the scene for both frequent showers and vibrant flora.
In Bridgetown, Barbados, September marks a point of transition in the humidity levels typical of the Caribbean climate. Following the peak of summer, when humidity surges to an average of 84% in July, September maintains a more moderate level of 80%. This slight decline hints at the gradual shift towards the cooler months, as the overall trend throughout the year showcases a general increase in humidity from the start of the year until July. Interestingly, September's humidity aligns closely with both May and August, creating a balance that keeps the tropical air warm yet manageable. As the year progresses, humidity stays relatively consistent, ranging from 77% to 84%, providing a lush backdrop to the island's vibrant landscape.
In September, Bridgetown, Barbados experiences an extreme UV Index of 14, maintaining the high levels seen throughout the summer months. With a consistent burn time of just 10 minutes, the sun's intensity continues to pose a significant risk to unprotected skin. This month marks a peak for solar exposure, paralleling the UV Index readings of April and May, emphasizing the need for vigilant sun protection measures. As the temperature begins to transition to the fall, the trend remains clear: Bridgetown's UV levels demand respect year-round. For more insights on sunscreen and safety tips, check the detailed Bridgetown UV Index.
UV Risk Categories
September in Bridgetown, Barbados, offers a delightful continuation of summer's embrace, boasting 322 hours of sunshine. As the island transitions from the vibrant peak of summer, which sees July and May bask in their sunny glory with 350 and 349 hours respectively, September's radiant weather invites vacationers to enjoy the balmy coastal breezes and golden beaches. This month remains consistent with the 318 hours of sunshine in October, ensuring that the warmth lingers into the fall. Overall, while September's sunlit hours dip slightly from the highs of the preceding summer months, the allure of Bridgetown’s sunny skies is a captivating treat for those seeking a tropical getaway.
In Bridgetown, Barbados, September typically brings a 53% chance of sunny weather, making it a pleasant time for visitors looking to soak up the sun. As we move from the peak summer months into the fall, there's a slight increase in sunshine compared to July and August, both hovering around the 50% mark. Interestingly, the likelihood of sunny days in September sits comfortably above the overall average for the year, which oscillates between 32% and 71% across different months. This trend showcases September as a captivating blend of lingering summer warmth and early autumn calm, ideal for beach enthusiasts and explorers alike.
In Bridgetown, Barbados, the rhythm of daylight duration paints a vibrant picture throughout the year. By September, the island enjoys a generous 12 hours of daylight, reflecting a comforting consistency that begins in March and persists through to the end of summer. This trend of longer days during the warmer months stands in stark contrast to the shorter daylight hours of January and February, which offer just 11 hours. As October rolls in, daylight subtly begins to wane, returning to 11 hours, hinting at the seasonal shift ahead. The impressive stability of 12-hour days during the heart of the year makes September an inviting time for both locals and visitors to bask in the sun-drenched beauty of Barbados.
September in Bridgetown, Barbados, brings a gentle lull in the breeze, with average wind speeds dipping to 5.0 m/s (11 mph)—the lowest of the year. This decline is part of an interesting seasonal trend, where the winds gradually ease from the more robust gusts typical of earlier months like February, which averages 9.5 m/s (21 mph). As summer winds down, one can feel the shift hinting at the impending transition into the more blustery conditions of fall. With September’s calmer air, it’s an ideal time for leisurely beach strolls and savoring the island’s vibrant sunset views, as the tranquil atmosphere invites relaxation and reflection before the winds pick up again in October.
Weather in Bridgetown varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bridgetown, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to September, January experiences slightly milder temperatures, with average highs reaching 27°C (81°F) compared to September's peak of 29°C (85°F). The minimum temperatures are also quite close, with January at 23°C (74°F) and September slightly higher at 25°C (78°F). Additionally, January boasts significantly less rainfall, averaging only 42 mm (1.6 in) over 12 days, whereas September is much wetter, with 150 mm (5.9 in) across 18 days. Despite the similar humidity levels, with January at 78% and September at 80%, the overall weather in January is more comfortable. For more information, you can check Bridgetown weather in January.
September typically experiences warmer weather compared to February, with average temperatures around 28°C (82°F) and a maximum of 29°C (85°F), while February's temperatures are milder, averaging 25°C (78°F) and reaching a maximum of 27°C (80°F). Additionally, September sees significantly more rainfall, with around 150 mm (5.9 in) spread over 18 days, in contrast to February's much lighter precipitation of 31 mm (1.2 in) over 13 days. Humidity levels are fairly similar in both months, hovering around 80% in September and 77% in February. For those interested in specific details about February weather, you can check Bridgetown weather in February.
In comparing the weather of September and March, September tends to be warmer and wetter. It has a minimum temperature of 25°C (78°F) and an average maximum of 29°C (85°F), while March's temperatures are slightly cooler, with minimums around 24°C (75°F) and maximums reaching 27°C (80°F). Notably, September experiences significantly higher precipitation, with 150 mm (5.9 in) over 18 days compared to March's 33 mm (1.3 in) over just 13 days. Additionally, humidity levels are slightly higher in September at 80% compared to 78% in March. For more detailed information on March weather, check out Bridgetown weather in March.
When comparing the weather in September and April, we observe that September tends to be slightly warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F). In contrast, April’s temperatures are marginally lower, with a minimum of 24°C (75°F) and a maximum of 28°C (82°F). Additionally, September experiences significantly more precipitation, totaling 150 mm (5.9 in) over 18 days, while April sees only 25 mm (1.0 in) across 9 days of rain. Humidity levels are relatively similar, with September at 80% and April at 78%. For more detailed insights on April weather, you can explore Bridgetown weather in April.
In comparing the weather of September and May, we can see distinct differences in both temperature and precipitation. September boasts slightly warmer temperatures, with averages around 28°C (82°F), while May offers a slightly cooler feel, with average temperatures at 27°C (80°F). However, the most significant contrast lies in the amount of rainfall; September experiences considerably more precipitation at 150 mm (5.9 in) over 18 days, compared to May's much lighter total of 41 mm (1.6 in) over 10 days. Both months share the same humidity level at 80%, making them feel similarly muggy despite the differences in rain. For a closer look at conditions during May, you can check out Bridgetown weather in May.
In comparing the weather of September and June, both months experience similar temperatures, with September having a slightly warmer average of 28°C (82°F) compared to June's 27°C (81°F). However, September tends to be wetter, receiving 150 mm (5.9 in) of precipitation over 18 days, while June sees only 83 mm (3.3 in) across 17 days. Humidity levels are comparable, with September at 80% and June at 82%, making both months feel warm and humid. For a more detailed look, you can check out Bridgetown weather in June.
In comparing the weather between September and July, both months feature similar minimum temperatures around 25°C (77-78°F) and maximum temperatures that hover close to 29°C (84-85°F). However, September tends to be slightly warmer on average at 28°C (82°F) compared to July's 27°C (81°F). Precipitation is higher in September, with 150 mm (5.9 in) recorded over 18 days, while July sees 130 mm (5.1 in) over 22 days. Additionally, humidity levels are notably higher in July at 84% compared to 80% in September. For more detailed information about July weather, you can check Bridgetown weather in July.
In comparing the weather of September to that of August, both months showcase similar temperature ranges, with September having a minimum temperature of 25°C (78°F) and an average of 28°C (82°F), slightly higher than August's minimum of 25°C (77°F) and average of 27°C (81°F). However, September experiences a reduction in average precipitation, totaling 150 mm (5.9 in) over 18 days, compared to August's 169 mm (6.6 in) across 25 days. It is notable that humidity levels remain constant at 80% for both months, contributing to the overall tropical feel. For more details, you can check Bridgetown weather in August.
In comparing the weather between September and October, we can observe some notable differences. Both months maintain similar high temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), but October tends to be slightly cooler on average at 27°C (81°F) compared to September's 28°C (82°F). However, October experiences more precipitation, totaling 188 mm (7.4 in) across 22 days, which is an increase from September's 150 mm (5.9 in) over 18 days. Humidity remains fairly consistent, rising slightly from 80% in September to 81% in October. For more insights specific to October's weather, you can visit Bridgetown weather in October.
In comparing the weather of September and November, September tends to be slightly warmer with an average temperature of 28°C (82°F) compared to November's 27°C (81°F). While both months experience high humidity levels, September has a somewhat lower humidity at 80% versus November's 81%. Precipitation is also notable; September receives around 150 mm (5.9 in) over 18 days, whereas November sees less rain at 124 mm (4.9 in) over 20 days. For more detailed insights into November's weather, check out Bridgetown weather in November.
In September, the weather is typically warmer with average temperatures reaching 28°C (82°F) and highs of 29°C (85°F), accompanied by significant rainfall of 150 mm (5.9 in) over 18 days. The humidity remains high at 80%, contributing to a steamy atmosphere. In contrast, December sees slightly cooler temperatures, with averages around 26°C (80°F) and maximums of 28°C (83°F). Additionally, December experiences much less precipitation, totaling only 53 mm (2.1 in) over 17 days, while maintaining the same humidity level of 80%. For more detailed insights on December weather, you can check Bridgetown weather in December.
As September sets in, Bridgetown's weather presents a unique blend of warmth and humidity that distinguishes it from other months. With temperatures hovering around a delightful 28°C, the city remains inviting despite experiencing regular rainfall, totaling about 150 mm over 18 days. This combination of high humidity at 80% and frequent showers can create a more variable atmosphere, making the experience of September quite different from the dryer, sunnier days of the peak dry season. For those planning a visit, understanding this shift in climate is essential, so check out the detailed insights available on the Bridgetown Climate page.