Weather in Guinea in September
Country-wide climate normals across 15 cities in Guinea.
How Hot Is Guinea in September?
Guinea bakes evenly in September — highs around 28°C are typical from Labé all the way to Siguiri, with very little regional variation. Lows sit around 22°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Guinea in September
Limited sunshine and short daylight define Guinea's September: Conakry averages just 0.7h of direct sun, with the sun up between 6:45 am and 6:55 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Guinea In September?
Heavy seasonal rains saturate Guinea in September — Conakry averages 522mm of rain across 28 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is Guinea Humid In September?
Heavy oppressive humidity covers Guinea in September: 88% on average in Conakry, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Guinea In September
Light breezes are typical across Guinea in September: 11 kph in Conakry, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Guinea In September
Guinea's September is dominated by overcast skies: Conakry averages 80% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.