Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
San Andrés, Colombia in September
Weather score62Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 179mm, so some wet days are possible.
September weather
Monthly averages
Temp
30°C
Rain
179mm
Sun
0h
Sea
29°C
Weather score
62
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 179mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare San Andrés, Colombia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is close to San Andrés' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September179mm average rain
September is wetter than San Andrés' yearly average, so flexible plans matter more.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September0 hours average sun
September is close to San Andrés' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
September29°C average sea
September is one of San Andrés' warmest sea months, when swimming comfort is usually strongest.
Warmest seaMay to December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
September62 weather score
September scores below San Andrés' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsFebruary to April
These months have the strongest weather score in the monthly averages.