September Weather in Monkey Hill, Saint Kitts and Nevis

Last updated: August 31, 2025

September in Monkey Hill, Saint Kitts and Nevis, offers a tropical escape with warm temperatures averaging 27°C (82°F). Visitors can expect highs reaching up to 29°C (84°F), while the mercury rarely drops below 25°C (78°F). While the beauty of the island is undeniable, it is also the month with increased rainfall, totaling about 146 mm (5.7 in), spread over 20 days. Humidity hovers around 80%, adding to the sultry charm of the region. Embrace the lush landscape and vibrant ecology that thrive in these weather conditions, making September a dynamic time to experience Monkey Hill.

September Temperature in Monkey Hill

In September, temperatures on Monkey Hill, Saint Kitts and Nevis, remain reliably warm, reflecting the island's tropical climate. With a minimum temperature of 25°C (78°F), an average of 27°C (82°F), and a maximum of 29°C (84°F), this month aligns closely with the warmer streak seen since July and August. The consistent warmth hints at a seamless transition into the fall season, while retaining that inviting tropical allure. As the summer heat lingers, visitors can enjoy balmy evenings under starry skies, making September a delightful time for exploration and relaxation amidst the stunning landscapes.

September Weather in Monkey Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monkey Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monkey Hill, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980818181818079
Data source: Temperature data for Monkey Hill 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 Monkey Hill

In September, Monkey Hill, Saint Kitts and Nevis, experiences a significant uptick in precipitation, with an impressive 146 mm (5.7 in) falling over 20 days. This marks the peak of the rainy season, a stark contrast to the drier months at the beginning of the year. The average drops from a mere 35 mm in January and February to a record high in September, underscoring a trend of increasing rainfall as summer transitions into autumn. As the landscape absorbs this substantial rain, the island becomes even more lush and vibrant, showcasing the dramatic transformation that accompanies this wetter period. The extended days of rain reflect a shift in climate patterns typical for the region, enriching both the environment and the local culture as residents adapt to the rhythm of tropical rains.

September Precipitation Trends in Monkey Hill

The chart displays monthly precipitation patterns in Monkey Hill, 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 Monkey Hill, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec353527415351781011461129450
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Monkey Hill

In September, Monkey Hill, Saint Kitts and Nevis experiences a humidity level of 80%, which marks a notable dip from the peak of 83% recorded in July. This slight decrease is part of a general trend observed in the latter months of the year, where humidity gradually tapers off from the summer highs. Following August's humidity of 82%, September signifies the transition into a more comfortable atmosphere, paving the way for the softer touch of October's anticipated 79%. Overall, the humidity levels reflect a gradual shift from the sultry peak of summer towards a more temperate fall, making September a transitional month in the humid landscape of this tropical paradise.

September Average Humidity in Monkey Hill

This chart illustrates the average monthly humidity levels in Monkey Hill, 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 Monkey Hill is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%77%77%78%79%81%83%82%80%79%79%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Monkey Hill

In September, Monkey Hill in Saint Kitts and Nevis experiences one of its highest UV Index readings, peaking at 14, which falls into the extreme exposure category. This trend of increasing UV intensity from January through September highlights the need for sun safety, as the burn time diminishes significantly to just 10 minutes across these months. Notably, after basking in these intense rays, the UV Index begins to taper off slightly in October, showcasing the region's overall high radiation levels during much of the year. As the sun remains a fierce companion in this tropical paradise, it's essential to stay informed and protect your skin during these critical sunlight periods. For more detailed insights, visit Monkey Hill UV Index.

Maximum UV Index Levels in Monkey Hill for September

The chart shows the monthly maximum UV Index (UVI) for Monkey Hill 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 Monkey Hill typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313141299
Data source: Monkey Hill 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 Monkey Hill

As September unfolds in Monkey Hill, Saint Kitts and Nevis, the sun generously shines for approximately 321 hours, making it a splendid month to bask in natural warmth. While this marks a slight decline from the sun-drenched July peak of 362 hours, it aligns with the overall trend of abundant sunshine throughout the year. Notably, the summer months of May through July consistently delivered the highest sunlight hours, paving the way for a vibrant showcase of summer activities. As autumn approaches, September still revels in more than 300 hours of sunshine, ensuring that visitors and locals alike can enjoy the island's stunning landscapes and warm Caribbean breezes. This seamless transition from summer's peak illuminates the charm of Saint Kitts and Nevis, where the sun's embrace lingers long into the fall.

Monthly Sunshine Duration in Monkey Hill: September Highlighted

The September sunshine duration represents the total number of hours Monkey Hill 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.
JanFebMarAprMayJunJulAugSepOctNovDec261h302h351h347h358h338h362h351h321h318h308h326h
Data source: Monkey Hill September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monkey Hill During September

In September, Monkey Hill, Saint Kitts and Nevis enjoys a 60% chance of sunny weather, making it one of the more favorable months for sun seekers. This month sits comfortably between the drier summer and the lush fall, reflecting a slight uptrend from the preceding summer months, where the likelihood of sunshine dips notably to around 24% in June and 46% in both July and August. As the year progresses, the chance of sunny days rises again, hitting 57% in October and peaking in the latter part of the year, with November at 69% and December at 67%. Thus, September offers a pleasant respite, with a balanced mix of sunshine that beckons visitors to explore the island’s natural beauty.

Percentage of Sunny Days in September in Monkey Hill

The chart illustrates the percentage of sunny days in Monkey Hill 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 Monkey Hill experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%72%68%46%53%24%47%46%60%57%69%67%
Data source: Monkey Hill September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Monkey Hill in September

As September arrives in Monkey Hill, Saint Kitts and Nevis, residents and visitors can revel in 12 hours of daylight, a continuation of the generous hours enjoyed throughout the summer months. This consistent daylight duration reflects a gradual transition from the longer summer days of 13 hours in June and July to the shorter days beginning in October. The trend throughout the year showcases an abundance of daylight, peaking mid-year, before gently tapering off toward the end of the year. Thus, September embodies a sweet spot of pleasant daylight, perfect for exploring the island's stunning landscapes and vibrant culture before the days start to shorten.

Average Daylight Hours in Monkey Hill for September

The chart illustrates the variation in daylight duration in Monkey Hill throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 12m11h 34m12h 2m12h 31m12h 56m13h 8m13h 1m12h 40m12h 12m11h 43m11h 18m11h 5m
Data source: Monkey Hill daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Monkey Hill

As September arrives in Monkey Hill, Saint Kitts and Nevis, the island witnesses a notable dip in wind speed, averaging just 5.3 m/s (12 mph). This is a stark contrast to the summer months, where swirling breezes recorded averages around 8.5 m/s (19 mph) in July and 8.3 m/s (19 mph) in June. Following the vibrant activity of those warmer weeks, September ushers in a more tranquil atmosphere, creating a serene environment perfect for relaxation and reflection. The gentle winds of this month, while softer than those of the preceding summer, serve to set the stage for October's gradual return to more robust breezes, hinting at a subtle shift in the island's climatic rhythm as it transitions toward the final quarter of the year.

Average September Wind Speed in Monkey Hill

The chart displays monthly wind speed patterns in Monkey Hill, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.39.37.66.77.58.38.57.35.3 m/s6.56.28.1
Data source: Monkey Hill September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Monkey Hill Compares to Other Months

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

September and January exhibit notable differences in weather patterns. September is characterized by warmer temperatures, with a minimum of 25°C (78°F) and an average of 27°C (82°F), peaking at 29°C (84°F). Additionally, it experiences considerable rainfall, accumulating 146 mm (5.7 in) over approximately 20 days, accompanied by high humidity levels of 80%. In contrast, January offers cooler conditions, with a minimum of 23°C (73°F), an average of 25°C (78°F), and a maximum of 27°C (81°F). Precipitation is significantly lower, at just 35 mm (1.4 in) over 13 days, and humidity drops slightly to 77%. For more detailed information, you can check the Monkey Hill weather in January.

September and February showcase distinct weather patterns. In September, temperatures are warmer, with a minimum of 25°C (78°F) and an average of 27°C (82°F), reaching a maximum of 29°C (84°F). The month is quite rainy, averaging 146 mm (5.7 in) of precipitation across 20 days, accompanied by high humidity levels of 80%. In contrast, February experiences slightly cooler temperatures, with a minimum of 22°C (72°F) and an average of 25°C (77°F), peaking at 26°C (80°F). Precipitation drops significantly to 35 mm (1.4 in) over just 12 days, while humidity remains relatively low at 77%. For a more detailed look at February weather, you can visit Monkey Hill weather in February.

In comparing the weather of September and March, we can observe notable differences in temperature and precipitation. September tends to be warmer with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), while March has cooler averages, with temperatures ranging from 22°C (73°F) to 26°C (80°F). Additionally, September experiences significantly more rainfall, with 146 mm (5.7 in) over approximately 20 days, compared to March's much lighter precipitation of 27 mm (1.1 in) spread over just 10 days. Humidity levels in September are slightly higher at 80%, compared to March's 77%. For a more detailed look at weather specifics during this month, you can visit Monkey Hill weather in March.

In comparing the weather between September and April, it is evident that September tends to be warmer and wetter. September features a minimum temperature of 25°C (78°F) and an average temperature of 27°C (82°F), peaking at a maximum of 29°C (84°F). Additionally, this month experiences significant rainfall, with 146 mm (5.7 in) over approximately 20 days and humidity levels around 80%. In contrast, April has a slightly cooler temperature range, with minimums of 23°C (74°F), averages of 25°C (78°F), and maximums reaching 27°C (81°F). Rainfall is considerably lower at 41 mm (1.6 in), spread over about 13 days, and humidity is slightly lower at 78%. For a more detailed look into April's climate, you can visit Monkey Hill weather in April.

When comparing the weather in September and May, it is evident that September is generally warmer and much wetter. September features an average temperature ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), while May sees slightly lower temperatures, with a minimum of 24°C (75°F) and a maximum of 28°C (82°F). Additionally, September experiences significantly higher precipitation levels, receiving 146 mm (5.7 in) over 20 days compared to May's 53 mm (2.1 in) over just 14 days. Interestingly, the humidity levels remain quite similar, with September at 80% and May at 79%. For more detailed information about May's weather, you can visit Monkey Hill weather in May.

In comparing the weather between September and June, we see that both months have similar average temperatures, with June's highs reaching up to 28°C (83°F) and September slightly warmer at 29°C (84°F). However, September experiences significantly more precipitation, with 146 mm (5.7 in) over 20 days compared to June's 51 mm (2.0 in) over just 12 days, leading to a much more humid environment in September at 80% versus June's 81%. Overall, while both months are warm, September is more prone to rainfall, making June generally the drier month. For a more detailed look at the weather during June, you can check out Monkey Hill weather in June.

When comparing the weather of September and July, both months exhibit similar temperature ranges, with minimum temperatures around 25°C (77°F) and maximums peaking at 29°C (84°F). However, September tends to be wetter, receiving 146 mm (5.7 in) of precipitation over 20 days, compared to July's 78 mm (3.1 in) over 18 days. Additionally, September's humidity is marginally lower at 80% compared to July's 83%. For more detailed insights on July weather, you can explore Monkey Hill weather in July.

In comparing the weather between September and August, both months maintained similar temperature ranges, with minimums of around 25°C (78°F), averaging 27°C (82°F), and maximums reaching 29°C (84°F). However, September experienced a notable increase in precipitation, totaling 146 mm (5.7 in) over 20 days, compared to August's 101 mm (4.0 in) over 16 days. Humidity levels were slightly lower in August at 82%, while September's humidity averaged around 80%. For more specific details on August weather, you can visit Monkey Hill weather in August.

In comparing the weather between September and October, we observe some subtle yet notable differences. Both months maintain a warm temperature range, with minimums around 25°C (77°F), average highs of 27-29°C (81-85°F), and only slight variations in humidity, hovering around 79-80%. However, October experiences less precipitation, totaling 112 mm (4.4 in) over 18 days, compared to September's 146 mm (5.7 in) over 20 days. This decrease in rainfall can lead to slightly drier conditions and may make October feel more pleasant overall. For more detailed information on the weather in October, you can visit Monkey Hill weather in October.

In comparing the weather between September and November, both months exhibit similar average temperatures, with September showing a minor increase in maximum temperatures (29°C or 84°F) compared to November's 28°C (83°F). However, September experiences significantly higher precipitation, with 146 mm (5.7 in) over 20 days, while November sees only 94 mm (3.7 in) over 17 days. Humidity levels are quite comparable, with September at 80% and November slightly lower at 79%. For a detailed look at November weather, you can check out Monkey Hill weather in November.

In September, the weather is typically warmer and wetter, with temperatures averaging around 27°C (82°F) and substantial rainfall of 146 mm (5.7 in) over approximately 20 days. This month sees high humidity levels at 80%, making it feel quite tropical. In contrast, December offers a slightly cooler climate with average temperatures of 26°C (79°F) and significantly less precipitation of only 50 mm (2.0 in) over 17 days. The humidity also decreases slightly to 78%, resulting in more comfortable conditions. For a detailed look at the weather during this month, you can check Monkey Hill weather in December.

Compare Monkey Hill's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Monkey Hill

As September unfolds on Monkey Hill, the weather takes on a unique character that distinguishes it from other months. With average temperatures hovering around 27°C and higher humidity levels reaching 80%, this month often feels more sultry. The consistent cloud cover and frequent rainfall, totaling about 146 mm over approximately 20 days, contribute to a lush and vibrant landscape, making it a noteworthy time for nature enthusiasts. While the warmth remains appealing, be prepared for the occasional downpour that can refresh the surroundings. For those curious about the climatic nuances of this beautiful locale, delving deeper into the details at Monkey Hill Climate provides a comprehensive overview.