September Weather in Bolands, Antigua and Barbuda

Last updated: August 21, 2025

September in Bolands, Antigua and Barbuda offers a warm tropical climate characterized by an average temperature hovering around 28°C (82°F). The maximum daily highs can reach 29°C (85°F), while the nights remain comfortably mild with minimums around 25°C (77°F). This month is notable for its high humidity levels, averaging around 80%, contributing to a lush environment. However, be prepared for frequent rainfall, with a significant 144 mm (5.7 in) of precipitation spread across 21 days, making it one of the wetter months of the year. Experience the blend of warmth and moisture that typifies this enchanting destination during September.

September Temperature in Bolands

In September, Bolands, Antigua and Barbuda, experiences a warm and inviting climate, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F). This month typically showcases an average temperature of 28°C (82°F), marking it as one of the warmer periods of the year. As summer transitions into fall, the consistent heat from previous months persists, reflecting a trend of gradually rising temperatures from April through September. Interestingly, the minimum temperature remains stable, mirroring the warmth felt in July and August. With humidity levels also high, September invites both relaxed beach days and vibrant tropical sunsets, making it a prime time for visitors seeking sun-soaked adventures.

September Weather in Bolands: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bolands, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolands, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980818182818079
Data source: Temperature data for Bolands generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bolands

September marks a significant peak in precipitation for Bolands, Antigua and Barbuda, with a remarkable 144 mm (5.7 in) of rainfall over 21 days. This surge reflects the transition into the wet season, where the number of rainy days intensifies compared to previous months. After a gradual increase from the drier months of January through August, September showcases a dramatic shift, illustrating the Caribbean's characteristic weather patterns. This trend not only emphasizes the importance of preparing for increased rainfall but also highlights the vibrant natural ecosystems that thrive during this lush month, inviting locals and visitors alike to embrace the beauty of the region's dynamic climate.

September Precipitation Trends in Bolands

The chart displays monthly precipitation patterns in Bolands, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Bolands, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec35363138495281971441099452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bolands

As the summer heat lingers through September in Bolands, Antigua and Barbuda, the humidity levels peak at 80%, marking a slight dip from the heights of the preceding months. This month typically reflects a gradual transition as the oppressive humidity of the summer begins to wane just a bit, following an upward trend that reached 84% in July and 83% in August. Despite this drop, September remains firmly within the humid range experienced throughout the year. As the island shifts towards October, the humidity is poised to decrease further, hinting at the arrival of the drier months ahead. Such fluctuations in humidity not only shape the climate but also influence the vibrant lifestyle and outdoor activities characteristic of this beautiful Caribbean locale.

September Average Humidity in Bolands

This chart illustrates the average monthly humidity levels in Bolands, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Bolands is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%76%78%79%81%84%83%80%79%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bolands

In September, Bolands, Antigua and Barbuda continues its streak of extreme UV exposure with a UV Index of 13, maintaining the intensity seen throughout the summer months. With a burn time of just 10 minutes, it’s crucial for visitors and residents alike to take precautions under the tropical sun. This trend showcases a consistent level of caution needed from July through October, all categorized as extreme, when the sun’s rays are at their sharpest. As the year transitions into fall, the UV Index begins to decline, but September remains a peak time for sun-related risks. For more detailed information on UV conditions throughout the year, visit Bolands UV Index.

Maximum UV Index Levels in Bolands for September

The chart shows the monthly maximum UV Index (UVI) for Bolands in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Bolands typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131413131299
Data source: Bolands September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Bolands

As summer gently gives way to autumn, September in Bolands, Antigua and Barbuda basks in a delightful 321 hours of sunshine. This month showcases a lovely continuation of the sunny trend established by the peak summer months of July and August, which recorded impressive totals of 361 and 352 hours respectively. While September sees a slight dip from these heights, it remains significantly brighter than the earlier months of the year, highlighting the region's consistent allure for sun-seekers. The warm glow of sunshine in September is a harbinger of the gradually diminishing daylight hours that come with the transition into October, yet it still offers plenty of opportunities to soak up the sun before the year begins to cool.

Monthly Sunshine Duration in Bolands: September Highlighted

The September sunshine duration represents the total number of hours Bolands experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec262h302h348h343h357h339h361h352h321h318h308h325h
Data source: Bolands September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bolands During September

In September, residents and visitors of Bolands, Antigua and Barbuda can expect a 58% chance of sunny weather. This likelihood mirrors the sunny disposition of January and stands out positively when compared to the commonly overcast months of June and July, which exhibit significantly lower probabilities of sunshine. As summer fades into autumn, September maintains a vibrant balance of sun and occasional clouds, suggesting that while rain may still grace the island, there's ample opportunity to bask in the tropical sunshine. Moreover, with October following closely at 55%, the transition into fall does not drastically diminish the likelihood of enjoying bright and pleasant days in this picturesque location.

Percentage of Sunny Days in September in Bolands

The chart illustrates the percentage of sunny days in Bolands throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Bolands experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%71%64%44%49%26%50%48%58%55%68%67%
Data source: Bolands September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bolands in September

In Bolands, Antigua and Barbuda, the daylight duration in September offers a delightful continuation of the summer months, with approximately 12 hours of sunlight. This marks a slight decline from the peak of 13 hours seen during the height of summer in June and July, but still maintains the vibrant energy that characterizes this tropical paradise. As the year progresses, a gradual shift occurs, with daylight tapering off to 11 hours by October, indicating the onset of fall. This consistent daylight pattern highlights the region's stable tropical climate, making it an inviting destination year-round, especially for those seeking to soak up the sun in September.

Average Daylight Hours in Bolands for September

The chart illustrates the variation in daylight duration in Bolands throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 13m11h 34m12h 2m12h 31m12h 55m13h 7m13h12h 39m12h 12m11h 43m11h 19m11h 7m
Data source: Bolands daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bolands

In September, the winds in Bolands, Antigua and Barbuda gently taper off, with an average speed of 5.2 m/s (12 mph), marking it as one of the calmest months of the year. This decline follows a summer of slightly stronger breezes, peaking at 8.3 m/s (19 mph) in July. As summer transitions to fall, September's softer winds create a serene atmosphere, perfect for beachgoers and nature enthusiasts alike. This subtle shift prepares the island for the brisker gusts of autumn, with October's winds expected to pick back up to 6.5 m/s (15 mph). The overall trend emphasizes the delightful rhythm of the island’s climate, where each month brings its unique charm.

Average September Wind Speed in Bolands

The chart displays monthly wind speed patterns in Bolands, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.29.27.56.57.48.18.37.05.2 m/s6.56.07.9
Data source: Bolands September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bolands Compares to Other Months

Weather in Bolands varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bolands, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present contrasting weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average of 28°C (82°F). The month is characterized by high humidity at 80% and substantial precipitation of 144 mm (5.7 in) over 21 days. In contrast, January features slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 27°C (80°F), averaging 25°C (78°F). This month boasts significantly less rainfall, totaling only 34 mm (1.4 in) across 12 days and slightly lower humidity at 77%. For more details, check out Bolands weather in January.

September weather is characterized by warmer temperatures, with a minimum of 25°C (77°F) and an average around 28°C (82°F), peaking at 29°C (85°F). This month also tends to be quite humid, with levels reaching 80% and considerable rainfall of 144 mm (5.7 in) spread over 21 days. In contrast, February offers slightly cooler conditions, as the temperatures range from a minimum of 22°C (72°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). Precipitation significantly decreases to 36 mm (1.4 in) over 14 days, and humidity is a touch lower at 76%. For a detailed comparison of February weather, check out Bolands weather in February.

September and March exhibit notable differences in weather patterns. In September, temperatures are warmer, with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 29°C (85°F). This month also experiences increased precipitation, totaling 144 mm (5.7 in) over 21 days, coupled with high humidity levels at 80%. In contrast, March features slightly cooler temperatures, ranging from a minimum of 23°C (73°F) to an average of 25°C (77°F), with a maximum of 26°C (80°F). Precipitation in March is significantly lower, at just 31 mm (1.2 in) across 11 days, and the humidity is slightly reduced at 76%. For more detailed information on the climate during this time, you can visit Bolands weather in March.

In comparing the weather of September and April, September tends to be warmer, with average temperatures reaching 28°C (82°F), compared to April's 25°C (78°F). The maximum temperatures in September also slightly exceed those in April, peaking at 29°C (85°F) versus April's 27°C (82°F). However, September is significantly wetter, boasting 144 mm (5.7 in) of rainfall over 21 days, while April receives only 38 mm (1.5 in) across 14 days. Humidity levels are similar in both months, with September at 80% and April at 78%. For more detailed weather information about April, you can visit Bolands weather in April.

September and May exhibit some similarities in weather, but there are notable differences. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average temperature of 28°C (82°F). However, September is characterized by significantly higher precipitation, with 144 mm (5.7 in) over 21 days, leading to humidity levels around 80%. In contrast, May has slightly lower temperatures, with a minimum of 24°C (75°F) and a maximum of 28°C (82°F), averaging 26°C (79°F). Additionally, May sees much less rainfall, totaling 49 mm (1.9 in) across 15 days, and maintains a slightly lower humidity level of 79%. For more insights into the weather during this month, check out Bolands weather in May.

In comparing the weather between September and June, September tends to be slightly warmer, with an average temperature of 28°C (82°F) and maximums reaching up to 29°C (85°F), while June has a lower average of 27°C (80°F) and tops out at 28°C (83°F). However, September is significantly wetter, experiencing 144 mm (5.7 in) of rainfall over 21 days compared to June's 52 mm (2.0 in) over just 14 days. Humidity levels are quite similar, with September at 80% and June at 81%. Overall, while both months are warm and humid, September is characterized by higher temperatures and much greater precipitation. For more details on June's weather in Bolands, check out Bolands weather in June.

In comparing the weather of September and July, both months exhibit similar temperature ranges, with September having an average temperature of 28°C (82°F) and July slightly cooler at 27°C (81°F). Interestingly, both months have the same minimum temperature of 25°C (77°F), but September sees slightly higher maximum temperatures at 29°C (85°F) compared to July's 29°C (84°F). Precipitation levels differ notably, with September recording 144 mm (5.7 in) over 21 days, significantly more than July's 81 mm (3.2 in) across 19 days. Additionally, humidity is a touch lower in July at 84%, compared to September's 80%. For a more detailed look at July weather, you can visit Bolands weather in July.

In comparing the weather between August and September, both months experience warm temperatures, with minimums hovering around 25°C (77°F). However, September presents slightly higher average temperatures at 28°C (82°F) compared to August's 27°C (82°F). Precipitation levels notably increase in September, with 144 mm (5.7 in) of rain over 21 days, whereas August sees only 97 mm (3.8 in) over 18 days. Humidity also remains quite consistent but is slightly lower in September at 80%, compared to 83% in August. For a detailed look at August weather, you can visit Bolands weather in August.

September and October share similar temperatures, with both months experiencing a minimum temperature of 25°C (77°F) and a maximum of 29°C (85°F). However, October is slightly cooler on average, with an average temperature of 27°C (81°F) compared to September's 28°C (82°F). In terms of precipitation, October sees less rainfall, with 109 mm (4.3 in) falling over 18 days, while September has 144 mm (5.7 in) over 21 days. Additionally, October's humidity is marginally lower at 79% compared to September's 80%. For a detailed look at the weather in October, you can visit Bolands weather in October.

September experiences warmer temperatures compared to November, with average highs reaching 29°C (85°F) and a minimum of 25°C (77°F). In contrast, November sees slightly cooler weather, averaging a maximum of 28°C (83°F) and a minimum of 24°C (76°F). Additionally, September is notably wetter, with a total precipitation of 144 mm (5.7 in) over 21 days, while November has less precipitation at 94 mm (3.7 in) over 17 days. Both months share a consistent humidity level of 80%. For more details about November weather, you can visit Bolands weather in November.

In September, the weather is characterized by slightly warmer temperatures, with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 29°C (85°F). Additionally, it sees significant rainfall, totaling 144 mm (5.7 in) over 21 days, accompanied by high humidity levels of 80%. In contrast, December experiences milder conditions, with a minimum of 24°C (75°F) and an average temperature of 26°C (79°F), reaching a maximum of 28°C (82°F). Rainfall in December is considerably lower, at 52 mm (2.1 in) spread over 18 days, and humidity is also slightly reduced at 78%. Overall, while both months are warm and humid, September tends to be wetter and slightly hotter than December. For more details, you can refer to Bolands weather in December.

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Conclusion: What to Expect From September Weather in Bolands

As September rolls in, Bolands experiences a distinct shift in its weather patterns compared to other months. With temperatures hovering around a warm 28°C (82°F) and a high level of humidity at 80%, the air feels heavier, creating a tropical ambiance. This month also witnesses significant rainfall, totaling 144 mm across 21 days, making it one of the wetter times of the year. While visitors can expect warm and steamy conditions, it's the increased precipitation that sets September apart, offering a lush landscape in contrast to the drier, sunnier months. For more insights on weather patterns, visit Bolands Climate.