Where there is plenty of water, it rains; where there is abundant heat, the sun shines.. (Bhutanese proverb).
The highest monthly average temperature in Kingston for July is 71 degrees. The lowest monthly average temperature in Kingston for January is 26 degrees. The most monthly precipitation in Kingston occurs in January with 0 inches. The air quality index in Kingston is 27% better than the national average. The pollution index in Kingston is 12% better than the national average.
Weather in Jamaica in September. The average maximum daytime temperature in Jamaica in September is a hot 31Â°C (88Â°F) with high heat & humidity. There are usually 7 hours of bright sunshine each day, which represents 54% of the 12 hours of daylight. The average sea temperature in and around Jamaica in September is 29Â°C (84Â°F). Expect 229mm (9.0 inches) of rainfall across the whole of September with 14 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.