Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
September verdict
Guinea in September
Weather score49Mixed
Mixed for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 443mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
29°C
Rain
443mm
Sun
5.1h
Sea
14°C
Weather score
49
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 443mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September29°C average high
September is on the cooler side of Guinea's year, useful if you prefer less intense daytime heat.
Warmest monthsFebruary to May
This stretch sets the upper range for average daytime heat.
Rain
September443mm average rain
September is wetter than Guinea's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.1 hours average sun
September is below Guinea's 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
September14°C average sea
September is close to Guinea's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
September49 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 March and November to December
These months have the strongest weather score in the monthly averages.