Weather in Французская Гвиана in сентябрь
Country-wide climate normals across 15 cities in Французская Гвиана.
How Hot Is Французская Гвиана in сентябрь?
Французская Гвиана bakes evenly in September — highs around 32°C are typical from Kourou all the way to Grand-Santi, with very little regional variation. Lows sit around 24°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Французская Гвиана in сентябрь
Persistent cloud and grey skies define Французская Гвиана'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 Французская Гвиана In сентябрь?
Французская Гвиана 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 Французская Гвиана Humid In сентябрь?
Французская Гвиана 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 Французская Гвиана In сентябрь
Французская Гвиана'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 Французская Гвиана In сентябрь
Heavy overcast covers Французская Гвиана 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.