Weather in Francouzská Guyana in září
Country-wide climate normals across 15 cities in Francouzská Guyana.
How Hot Is Francouzská Guyana in září?
Uniform heat across Francouzská Guyana'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 Francouzská Guyana in září
Limited sunshine and short daylight define Francouzská Guyana's September: Cayenne averages just 1.1h of direct sun, with the sun up between 6:20 am and 6:30 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Francouzská Guyana In září?
Francouzská Guyana 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 Francouzská Guyana Humid In září?
Heavy oppressive humidity covers Francouzská Guyana 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 Francouzská Guyana In září
Gentle steady winds define Francouzská Guyana's September: Cayenne averages 13 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Francouzská Guyana In září
Francouzská Guyana's September is dominated by overcast skies: Cayenne averages 79% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.