Weather in Antigua und Barbuda in September
Country-wide climate normals across 15 cities in Antigua und Barbuda.
How Hot Is Antigua und Barbuda in September?
Antigua und Barbuda bakes evenly in September — highs around 29°C are typical from Codrington all the way to All Saints, with very little regional variation. Lows sit around 27°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 Antigua und Barbuda in September
Dark, overcast days dominate Antigua und 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 und Barbuda In September?
Antigua und Barbuda's September is wet across most regions: 126mm in Saint John’s across 20 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Antigua und Barbuda Humid In September?
Heavy oppressive humidity covers Antigua und Barbuda in September: 75% on average in Saint John’s, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Antigua und Barbuda In September
Antigua und Barbuda sees consistent breezes in September — averaging 25 kph in Saint John’s, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In Antigua und Barbuda In September
Antigua und 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.