Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Montego Bay, Jamaica in September
Weather score67Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 147mm, so some wet days are possible.
September weather
Monthly averages
Temp
30°C
Rain
147mm
Sun
6.5h
Sea
30°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 147mm, so some wet days are possible.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Montego Bay, Jamaica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
Rain
September147mm average rain
September sits near Montego Bay's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.5 hours average sun
September is below Montego Bay's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsFebruary to April and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September30°C average sea
September is one of Montego Bay's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
September67 weather score
September scores below Montego Bay's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.
