September Weather in Kingston, Jamaica

Last updated: August 21, 2025

In September, the vibrant city of Kingston, Jamaica experiences warm tropical weather, with maximum temperatures peaking at a balmy 32°C (90°F) and an average of 27°C (81°F). The minimum temperature rarely dips below 24°C (75°F), creating a comfortable atmosphere for both residents and visitors. However, the month also sees substantial precipitation, accumulating around 105 mm (4.1 in) over approximately 18 days, making it one of the wetter months. The humidity remains high at 77%, adding to the tropical feel. This combination of warmth and moisture highlights the lush beauty of Kingston during September, making it a unique time to experience the island's charm.

September Temperature in Kingston

In September, Kingston, Jamaica, enjoys a warm tropical climate, with temperatures maintaining a consistent and inviting range. The month sees a minimum of 24°C (75°F) and peaks at a maximum of 32°C (90°F), making it one of the warmer periods of the year. With an average temperature of 27°C (81°F), September continues the trend of warmth established in the previous summer months. This slight elevation in heat combined with the lush surroundings creates an ideal atmosphere for exploring the vibrant culture and stunning scenery Jamaica has to offer. As the Caribbean's summer season begins to fade, visitors can expect plenty of sunshine paired with occasional refreshing breezes, making outdoor adventures even more enjoyable.

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

The chart illustrates September temperature patterns in Kingston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kingston, 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).
JanFebMarAprMayJunJulAugSepOctNovDec767676777980818181797877
Data source: Temperature data for Kingston generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kingston

September marks a notable peak in precipitation for Kingston, Jamaica, where rainfall reaches an impressive 105 mm (4.1 in), close to the significant totals seen in the following month. With 18 days of rain, this month stands out not only for its volume but also for its frequency, reflecting a transitional phase toward the wetter season ahead. Following a trend observed throughout the year, September's rainfall is comparable to the preceding month of August, which recorded 98 mm (3.8 in). However, it notably sets the stage for October's surge, where precipitation amounts skyrocket to 196 mm (7.7 in) over 24 days, indicating an intensified rainy season that envelops the region as it heads into the fall.

September Precipitation Trends in Kingston

The chart displays monthly precipitation patterns in Kingston, 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 Kingston, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3835466610749379810519613745
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kingston

In September, Kingston, Jamaica experiences a comfortable humidity level of 77%, which is slightly lower than the peak of 79% observed during the summer months of June and July. This month's humidity is indicative of a subtle shift as the city transitions from the height of summer toward the cooler fall months. Interestingly, the overall humidity levels in Kingston remain relatively high throughout the year, consistently hovering between 75% and 79%. This trend highlights the tropical climate's consistent warmth, with only minor fluctuations as the seasons change, ensuring that the island maintains its lush greenery and vibrant ecosystem year-round.

September Average Humidity in Kingston

This chart illustrates the average monthly humidity levels in Kingston, 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 Kingston is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%75%76%77%79%79%78%77%76%78%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kingston

In September, Kingston, Jamaica maintains an extreme UV Index of 12, with a burn time of just 10 minutes. This trend mirrors the summer months, where the UV levels have consistently hovered around the extreme category, peaking in April at an index of 14. As the year progresses into the fall, Kingston experiences slightly lower but still formidable UV levels, with October showing the same index of 12. These numbers highlight the importance of sun safety throughout the year, particularly in late summer and early autumn. For further insights on UV exposure, check out the detailed report at Kingston UV Index.

Maximum UV Index Levels in Kingston for September

The chart shows the monthly maximum UV Index (UVI) for Kingston 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 Kingston typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313121298
Data source: Kingston 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 Kingston

As summer transitions to autumn, September in Kingston, Jamaica, offers a delightful blend of sunshine and warmth. With 321 hours of bright and sunny days, the month maintains a comfortable glow, though slightly less than the peak summer months. This dip follows a spectacular July, which boasted 354 hours, and August, with 342 hours, showing that while September welcomes shorter days, it still holds strong against the cooler fall months ahead. Notably, this month serves as a bridge, linking the vibrant exuberance of summer to the gentle embrace of autumn, allowing residents and visitors to enjoy the beautiful Caribbean sun just a bit longer before the hours of daylight begin to wane.

Monthly Sunshine Duration in Kingston: September Highlighted

The September sunshine duration represents the total number of hours Kingston 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.
JanFebMarAprMayJunJulAugSepOctNovDec250h303h346h344h330h340h354h342h321h305h291h314h
Data source: Kingston September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kingston During September

In Kingston, Jamaica, September enjoys a 54% chance of sunny weather, placing it comfortably within a period of relatively favorable conditions. The month stands out as a transition from the wetter summer months of June (46%), July (49%), and August (43%), indicating a slight recovery in sunshine as the island approaches the wetter season ahead. Compared to the earlier part of the year, where February boasts the highest likelihood at 76%, September offers a moderate compromise with sun-filled days still more probable than not. As autumn sets in, the weather gradually shifts, showcasing a blend of lingering summer warmth and the onset of autumnal changes, making it an appealing time for outdoor activities amidst the vibrant landscape of Jamaica.

Percentage of Sunny Days in September in Kingston

The chart illustrates the percentage of sunny days in Kingston 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 Kingston experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%76%70%50%63%46%49%43%54%42%43%65%
Data source: Kingston September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kingston in September

In September, Kingston, Jamaica enjoys 12 hours of daylight, maintaining a consistent pattern observed throughout the month. This month marks a transition from the peak summer months of June and July, where daylight extends to 13 hours, to the shorter days as the year progresses. The gradual reduction in daylight begins in August, which also features 12 hours and continues into October, where it drops to 11 hours. This rhythmic decline highlights how Kingston experiences a subtropical climate, balancing long summer days with shorter ones as the year approaches its end, revealing the island's stunning natural rhythms and inviting residents and visitors alike to relish each sunlit hour.

Average Daylight Hours in Kingston for September

The chart illustrates the variation in daylight duration in Kingston throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 33m12h 58m13h 10m13h 4m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Kingston daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kingston

In September, the wind in Kingston, Jamaica experiences a noticeable drop, with an average speed of just 2.6 m/s (6 mph), marking the lowest point of the year. This shift contrasts with the lively breezes of the summer months, where speeds peak at 4.3 m/s (10 mph) in both June and July. As summer transitions to fall, the gentler winds create a serene atmosphere, perfect for enjoying the vibrant local culture and stunning coastal views. With winds gradually tapering from the more vigorous summer breezes, September offers a tranquil respite, fostering an inviting environment for both residents and visitors alike.

Average September Wind Speed in Kingston

The chart displays monthly wind speed patterns in Kingston, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.54.43.63.63.84.34.33.82.6 m/s2.92.73.4
Data source: Kingston September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kingston Compares to Other Months

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

September and January exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). The month is characterized by higher precipitation, totaling 105 mm (4.1 in) over 18 days, and humidity levels are around 77%. In contrast, January offers milder conditions with a minimum temperature of 20°C (69°F) and a maximum of 29°C (84°F), averaging 24°C (76°F). Precipitation drops significantly to 38 mm (1.5 in) over just 10 days, and humidity remains relatively stable at 76%. For further details, you can check Kingston weather in January.

In comparing September and February weather, September generally experiences warmer temperatures with a minimum of 24°C (75°F) and an average high of 32°C (90°F), while February's temperatures are slightly cooler, with minimums around 21°C (70°F) and a maximum of 28°C (83°F). Additionally, September tends to be more humid, with a humidity level of 77%, compared to February's 76%. Precipitation is also higher in September, with 105 mm (4.1 in) over 18 days, whereas February sees only 35 mm (1.4 in) across 14 days. For more details on February weather, you can check Kingston weather in February.

In comparing the weather between September and March, September tends to be warmer and more humid, with average temperatures reaching around 27°C (81°F) and highs of 32°C (90°F). The month also experiences significant rainfall, totaling 105 mm (4.1 in) across 18 days. In contrast, March sees milder temperatures, averaging 25°C (76°F) with maximums of 28°C (84°F), and significantly less precipitation at 46 mm (1.8 in) over 15 days. Overall, while both months exhibit humidity levels around 75-77%, September's climate is characterized by both higher temperatures and more frequent rain. For more details, you can check Kingston weather in March.

In comparing the weather of September and April, we see a notable difference in temperatures and precipitation. September experiences warmer conditions, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), while April is slightly cooler, with temperatures averaging between 22°C (71°F) and 30°C (86°F). Additionally, September has higher precipitation levels at 105 mm (4.1 in) over 18 days, compared to April's 66 mm (2.6 in) over just 12 days. Humidity levels are relatively similar, with September at 77% and April slightly lower at 76%. For more details, you can check out Kingston weather in April.

In comparing the weather of September and May, both months exhibit warm temperatures and similar humidity levels. September has a slightly higher average temperature of 27°C (81°F), compared to May's 26°C (79°F), with maximum temperatures peaking at 32°C (90°F) in September and 30°C (87°F) in May. Precipitation is relatively consistent between the two months, with September experiencing 105 mm (4.1 in) over 18 days, while May records 107 mm (4.2 in) over 16 days. Humidity remains steady at 77% for both months, creating a tropical atmosphere. For more specific insights related to May weather, you can explore Kingston weather in May.

September and June exhibit similar average temperatures, with September having a slightly higher minimum and maximum range. In September, temperatures can drop to a minimum of 24°C (75°F) and reach up to 32°C (90°F), while June exhibits a minimum of 23°C (74°F) and a maximum of 31°C (88°F). However, the humidity in September is slightly lower at 77% compared to June's 79%. Notably, September experiences a significantly higher level of precipitation, with 105 mm (4.1 in) over 18 days, in contrast to June's much milder 49 mm (1.9 in) over 13 days. For more detailed information about June weather, visit Kingston weather in June.

In comparing the weather between September and July, both months exhibit similar temperatures, with a minimum of 24°C (75°F), an average of around 27°C (81°F), and a maximum reaching 32°C (90°F). However, September stands out due to its significantly higher precipitation levels, accumulating 105 mm (4.1 in) across 18 days, compared to July's much drier 37 mm (1.5 in) over 11 days. Additionally, humidity remains relatively high in both months, with September at 77% and July slightly higher at 79%. For a more detailed look at July's climate, you can refer to Kingston weather in July.

In comparing the weather of September and August, we see that both months have similar temperatures, with September displaying a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). August, on the other hand, features a consistent minimum of 24°C (75°F), an average of 27°C (82°F), and a slightly lower maximum at 32°C (89°F). September experiences a slight increase in precipitation, with 105 mm (4.1 in) over 18 days, compared to August's 98 mm (3.8 in) over 16 days. Humidity remains high in both months, with September at 77% and August slightly higher at 78%. For more specifics on August weather, you can refer to Kingston weather in August.

In September, the weather tends to be warm, with minimum temperatures around 24°C (75°F) and average highs reaching 32°C (90°F). However, this month also sees significant precipitation, averaging 105 mm (4.1 in) spread over 18 wet days, coupled with a high humidity of 77%. In contrast, October experiences slightly cooler temperatures, with a minimum of 23°C (74°F) and an average maximum of 31°C (87°F). Precipitation increases to 196 mm (7.7 in) over 24 days, maintaining a similar humidity level of 76%. For more detailed information, check out Kingston weather in October.

In comparing the weather of September and November, we see a slight cooling trend as November approaches. September boasts warmer temperatures, with an average high of 32°C (90°F) compared to November's maximum of 30°C (86°F). However, November experiences slightly higher precipitation, amounting to 137 mm (5.4 in) over 20 days, compared to September's 105 mm (4.1 in) over 18 days. Humidity levels remain relatively consistent, with September at 77% and November at 78%. For more detailed information, you can check out Kingston weather in November.

In September, the weather tends to be warmer, with average temperatures reaching around 27°C (81°F) and maximums often hitting 32°C (90°F). The month is also marked by significant rainfall, totaling 105 mm (4.1 in) over about 18 days, creating a humid atmosphere with humidity levels around 77%. In contrast, December experiences slightly cooler temperatures, averaging 25°C (78°F) with a maximum of 29°C (85°F). Rainfall decreases considerably to 45 mm (1.8 in) over just 13 days, while humidity remains constant at 77%. For more detailed insights, you can check out Kingston weather in December.

Compare Kingston's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kingston

September in Kingston presents a unique blend of warm temperatures and heightened humidity, making it notably different from other months. With an average temperature around 27°C (81°F) and frequent rainfall, this month is marked by a significant number of precipitation days, creating a lush and vibrant environment. As humidity lingers around 77%, the air feels particularly tropical and alive. While summer's heat continues to prevail, the increase in rainfall offers a refreshing contrast, fostering a sense of rejuvenation in the city. For more details on Kingston's weather patterns, check out Kingston Climate.