Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Mixed for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 249mm, so showers are a real planning factor.
Monthly averages
Temp
31°C
Rain
249mm
Sun
6h
Sea
30°C
Weather score
54
Mixed
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 249mm, so showers are a real planning factor.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare St. George's Caye, Belize with nearby places by weather score, rain, sun, temperature, and swim conditions.
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 October
This stretch sets the upper range for average daytime heat.
September249mm average rain
September is one of St. George's Caye's wettest months, so rain is likely to be a major planning factor.
Driest monthsFebruary to May
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6 hours average sun
September is one of St. George's Caye's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMarch to May
This stretch has the strongest sunshine in the monthly averages.
September30°C average sea
September is one of St. George's Caye's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
September54 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 monthsFebruary to April
These months have the strongest weather score in the monthly averages.