Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Cat Island, Bahamas in September
Weather score63Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6.8h per day, enough for a balanced month. Rainfall averages 118mm, so some wet days are possible.
September weather
Monthly averages
Temp
31°C
Rain
118mm
Sun
6.8h
Sea
29°C
Weather score
63
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 118mm, so some wet days are possible.
Some sun
Sunshine averages 6.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Cat Island, Bahamas with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September31°C average high
September is one of Cat Island's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September118mm average rain
September sits near Cat Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April, July, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.8 hours average sun
September is below Cat Island's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to May and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September29°C average sea
September is one of Cat Island's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
September63 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 monthsMarch to April and November
These months have the strongest weather score in the monthly averages.
