Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Chetumal, Quintana Roo, Mexico in September
Weather score61Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5.9h per day, enough for a balanced month. Rainfall averages 184mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
31°C
Rain
184mm
Sun
5.9h
Sea
30°C
Weather score
61
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 184mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.9h 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 Chetumal, Quintana Roo, Mexico 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 monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
September184mm average rain
September is one of Chetumal's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.9 hours average sun
September is one of Chetumal's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMarch to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September30°C average sea
September is one of Chetumal's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMay to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
September61 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 November
These months have the strongest weather score in the monthly averages.
