Weather in Francoska Gvajana in september
Country-wide climate normals across 15 cities in Francoska Gvajana.
How Hot Is Francoska Gvajana in september?
Francoska Gvajana sees consistently hot September weather — average highs of 32°C, average lows of 24°C, with minimal regional differences. Whether you're in Cayenne or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Francoska Gvajana in september
Limited sunshine and short daylight define Francoska Gvajana'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 Francoska Gvajana In september?
Typical September rainfall covers Francoska Gvajana: about 97mm in Cayenne across 14 days, with wetter conditions in coastal regions and drier conditions inland. Expect showers about half the days, but extended dry stretches between them. The pattern is variable but predictable.
Is Francoska Gvajana Humid In september?
Saturated air defines Francoska Gvajana's September: humidity at 77% in Cayenne, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Francoska Gvajana In september
Light breezes are typical across Francoska Gvajana 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 Francoska Gvajana In september
Heavy overcast covers Francoska Gvajana 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.