Climate averages 1991–2020

Kingston weather
in September.

A hot, wet month: the 3rd warmest and the 11th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 31.2°C Daytime mean, September
Average low 24.2°C Night-time mean, September
Rainfall 124 mm 18 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Kingston · average highYear overview

September is a hot month in Kingston: daytime highs average 31.2°C and nights cool to about 24.2°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 124 mm of rain on roughly 18 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average September day.

The nearest other city in this atlas is Portmore (10 km away). In September its highs average 30.7°C, 0.5°C cooler than Kingston, with 139 mm of rain.

Among the 4 cities listed in Jamaica, Kingston ranks 2nd of 4 for the warmest September highs and 1st of 4 for the driest September (rainfall, lowest first). The mean September high of those 4 cities is 31.0°C; Kingston is 0.1°C warmer than that mean.

From September to October, average highs fall by 1.2°C to 30.0°C, and monthly rainfall rises from 124 mm to 144 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 1520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Kingston climate table

1991–2020
Monthly climate averages for Kingston, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.3°C21.3°C21.3°C267.511.211 h
February 28.8°C21.1°C21.1°C217.011.512 h
March 29.4°C21.4°C21.4°C337.812.012 h
April 30.3°C22.3°C22.3°C369.012.513 h
May 30.4°C23.3°C23.3°C10214.513.013 h
June 31.1°C24.3°C24.3°C7211.513.213 h
July 32.1°C24.5°C24.5°C539.913.113 h
August 32.0°C24.6°C24.6°C8213.812.713 h
September, selected 31.2°C24.2°C24.2°C12418.012.312 h
October 30.0°C23.7°C23.7°C14421.011.712 h
November 29.0°C22.9°C22.9°C7913.211.311 h
December 28.4°C22.0°C22.0°C419.311.111 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from Kingston

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Kingston) is explained once on the Kingston year overview and on the Sources, method and limits page.