Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Isla de la Juventud, Cuba in September
Weather score60Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 7.4h per day, enough for a balanced month. Rainfall averages 221mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
31°C
Rain
221mm
Sun
7.4h
Sea
30°C
Weather score
60
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 221mm, so showers are a real planning factor.
Some sun
Sunshine averages 7.4h 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 Isla de la Juventud, Cuba with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September31°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 September
This stretch sets the upper range for average daytime heat.
Rain
September221mm average rain
September is one of Isla de la Juventud's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.4 hours average sun
September is below Isla de la Juventud's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September30°C average sea
September is one of Isla de la Juventud's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
September60 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.