Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
September verdict
Loos Islands, Guinea in September
Weather score51Mixed
Mixed for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 4.4h per day, so this is not one of the brighter months. Rainfall averages 570mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
28°C
Rain
570mm
Sun
4.4h
Sea
28°C
Weather score
51
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 570mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.4h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Loos Islands, Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September28°C average high
September is on the cooler side of Loos Islands' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to May and December
This stretch sets the upper range for average daytime heat.
Rain
September570mm average rain
September sits near Loos Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.4 hours average sun
September is below Loos Islands' yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to April and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September28°C average sea
September is below Loos Islands' yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMay to June and October to December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
September51 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.