Weather in Fransk Guyana in september
Country-wide climate normals across 15 cities in Fransk Guyana.
How Hot Is Fransk Guyana in september?
Uniform heat across Fransk 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 Fransk Guyana in september
Persistent cloud and grey skies define Fransk Guyana's September: about 1.1h of sun a day in Cayenne. Daylight is in short supply too, running from 6:20 am to 6:30 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In Fransk Guyana In september?
Moderate rainfall defines Fransk Guyana's September: Cayenne averages 97mm across 14 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is Fransk Guyana Humid In september?
Heavy oppressive humidity covers Fransk 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 Fransk Guyana In september
Light breezes are typical across Fransk Guyana 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 Fransk Guyana In september
Heavy overcast covers Fransk Guyana 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.