Weather in Prantsuse Guajaana in september
Country-wide climate normals across 15 cities in Prantsuse Guajaana.
How Hot Is Prantsuse Guajaana in september?
Uniform heat across Prantsuse Guajaana'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 Prantsuse Guajaana in september
Dark, overcast days dominate Prantsuse Guajaana 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 Prantsuse Guajaana In september?
Prantsuse Guajaana 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 Prantsuse Guajaana Humid In september?
Saturated air defines Prantsuse Guajaana'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 Prantsuse Guajaana In september
Prantsuse Guajaana's September has gentle wind — Cayenne averages 13 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Prantsuse Guajaana In september
Heavy overcast covers Prantsuse Guajaana 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.