September Weather in Seaforth, Jamaica

Last updated: August 23, 2025

In September, the average temperature in Seaforth, Jamaica is a warm 27°C (81°F), with minimums reaching 24°C (75°F) and soaring maximums of 31°C (89°F). Visitors should prepare for some rainfall, as precipitation averages 132 mm (5.2 in) over 22 days, while the atmosphere remains humid at around 77%.

September Temperature in Seaforth

In September in Seaforth, the average temperature is 27°C (81°F). Maximums can reach 31°C (89°F) and minimums can be as low as 24°C (75°F). This warm climate makes Seaforth an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Seaforth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seaforth, September typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (89°F) and lows dropping to around 24°C (75°F).

Data source: Temperature data for Seaforth generated using information from the Copernicus Climate Change Service.

September Precipitation in Seaforth

In Seaforth in September, the precipitation amount is 132 mm (5.2 in) spread over 22 days.

September Precipitation Trends in Seaforth

The chart displays monthly precipitation patterns in Seaforth, 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 Seaforth, September typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 22 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Seaforth

In Seaforth in September, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

September Average Humidity in Seaforth

This chart illustrates the average monthly humidity levels in Seaforth, 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 Seaforth is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Seaforth

In Seaforth in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Seaforth.

Maximum UV Index Levels in Seaforth for September

The chart shows the monthly maximum UV Index (UVI) for Seaforth 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 Seaforth typically reaches 12, which falls under the extreme exposure category.

Data source: Seaforth 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.

How September Weather in Seaforth Compares to Other Months

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

This table compares monthly weather conditions in Seaforth, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	70 mm (2.8 inches)	76%	very high
February Weather	24°C (76°F)	70 mm (2.7 inches)	76%	extreme
March Weather	24°C (76°F)	92 mm (3.6 inches)	75%	extreme
April Weather	25°C (77°F)	98 mm (3.9 inches)	76%	extreme
May Weather	26°C (78°F)	157 mm (6.2 inches)	77%	extreme
June Weather	26°C (79°F)	94 mm (3.7 inches)	79%	extreme
July Weather	27°C (81°F)	73 mm (2.9 inches)	79%	extreme
August Weather	27°C (81°F)	155 mm (6.1 inches)	78%	extreme
September Weather	27°C (81°F)	132 mm (5.2 inches)	77%	extreme
October Weather	26°C (79°F)	256 mm (10.1 inches)	76%	extreme
November Weather	26°C (78°F)	172 mm (6.8 inches)	78%	very high
December Weather	25°C (77°F)	88 mm (3.5 inches)	77%	very high