Weather in 仏領ギアナ in 9月
Country-wide climate normals across 15 cities in 仏領ギアナ.
How Hot Is 仏領ギアナ in 9月?
仏領ギアナ 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 仏領ギアナ in 9月
Limited sunshine and short daylight define 仏領ギアナ'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 仏領ギアナ In 9月?
仏領ギアナ 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 仏領ギアナ Humid In 9月?
仏領ギアナ is enveloped in tropical-thick humidity through September: Cayenne averages 77%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In 仏領ギアナ In 9月
Light breezes are typical across 仏領ギアナ 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 仏領ギアナ In 9月
Heavy overcast covers 仏領ギアナ 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.