Weather in Guiana Francesa in setembro
Country-wide climate normals across 15 cities in Guiana Francesa.
How Hot Is Guiana Francesa in setembro?
Uniform heat across Guiana Francesa's September: averages climb to 32°C nationally with overnight lows of 24°C, narrow spread from coast to interior. The hottest cities like Grand-Santi register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Guiana Francesa in setembro
Dark, overcast days dominate Guiana Francesa in September — Cayenne sees just 1.1h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Guiana Francesa In setembro?
Guiana Francesa sees moderate rainfall in September — Cayenne averages 97mm across 14 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's September weather mixes sunny stretches with regular shower spells.
Is Guiana Francesa Humid In setembro?
Heavy oppressive humidity covers Guiana Francesa in September: 77% on average in Cayenne, 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 Guiana Francesa In setembro
Light breezes are typical across Guiana Francesa in September: 13 kph in Cayenne, 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 Guiana Francesa In setembro
Heavy overcast covers Guiana Francesa in September: 79% cloud cover in Cayenne, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.