Weather in Antigua en Barbuda in september
Country-wide climate normals across 15 cities in Antigua en Barbuda.
How Hot Is Antigua en Barbuda in september?
Antigua en Barbuda sees consistently hot September weather — average highs of 29°C, average lows of 27°C, with minimal regional differences. Whether you're in Saint John’s or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Antigua en Barbuda in september
Dark, overcast days dominate Antigua en Barbuda in September — Saint John’s 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 Antigua en Barbuda In september?
Heavy rain shapes Antigua en Barbuda's September: Saint John’s averages 126mm across 20 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 Antigua en Barbuda Humid In september?
Antigua en Barbuda is enveloped in tropical-thick humidity through September: Saint John’s averages 75%, 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 Antigua en Barbuda In september
Persistent breeze shapes Antigua en Barbuda's September: 25 kph in Saint John’s, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In Antigua en Barbuda In september
Antigua en Barbuda's September is dominated by overcast skies: Saint John’s averages 77% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.