Weather in St. Kitts en Nevis in september
Country-wide climate normals across 15 cities in St. Kitts en Nevis.
How Hot Is St. Kitts en Nevis in september?
St. Kitts en Nevis sees consistently hot September weather — average highs of 29°C, average lows of 27°C, with minimal regional differences. Whether you're in Basseterre or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in St. Kitts en Nevis in september
Dark, overcast days dominate St. Kitts en Nevis in September — Basseterre sees just 1.2h 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 St. Kitts en Nevis In september?
Heavy rain shapes St. Kitts en Nevis's September: Basseterre averages 132mm across 19 days, and most regions of the country see similar persistent wet conditions. Long sunny stretches are rare. Expect rain on roughly two out of every three days.
Is St. Kitts en Nevis Humid In september?
St. Kitts en Nevis is enveloped in tropical-thick humidity through September: Basseterre averages 76%, 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 St. Kitts en Nevis In september
Breezy conditions cover St. Kitts en Nevis's September: Basseterre sits at 25 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In St. Kitts en Nevis In september
Heavy overcast covers St. Kitts en Nevis in September: 77% cloud cover in Basseterre, 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.