SeasonScore
Antigua, Antigua and Barbuda
Photo: Calyponte · CC BY-SA 3.0

Antigua and Barbuda

Antigua in September

🌦️ Shoulder (showers)

Warm, humid and some showers. Watch for tropical cyclone risk.

🎒 Pack: compact umbrella or rain jacket · quick-dry fabrics

Best months: Jan (9.2), Feb (9.2), Mar (9.2)

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Why September scores 8.0What goes into the score

How it works
🌡️ 29° / 28°C🌧️ 118 mm💧 dew pt 25°🍃 PM2.5 5
  • Weather comfort7.0
    • ✓Warm (29.4°C highs / 28.3°C lows)
    • !Very humid/sticky (dew point 24.7°C)
    • !Wet: ~118 mm rain, ~2 heavy-rain days
  • Air quality10.0
    • ✓Good (within WHO guideline) (PM2.5 ~5 µg/m³)
  • Seasonal hazards8.5
    • !Tropical cyclone: Peak of the Atlantic/Caribbean hurricane season
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut September side by side with another month
SepJan
Score8.0 Very good9.2 Excellent
Season🌦️ Shoulder (showers)☀️ Dry season
High / low29° / 28°27° / 26°
Rain118 mm44 mm
Humiditydew pt 25°dew pt 22°
PM2.55 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsSeptember 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Antigua and Barbuda this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore AntiguaEvents, sights, food & souvenirs

Check event dates locally

An eastern Caribbean island known for its many beaches, sailing heritage and English Harbour's restored naval dockyard.

Events in September

No major events on our calendar for September.

Coming up later

Independence DayEvery year1 November every year

Celebrates independence from Britain in 1981.

Why go: Expect a parade and ceremonies.

Where: St John's and island-wide

Antigua Sailing WeekDate variesUsually late April to early May

One of the Caribbean's major sailing regattas, with racing and parties.

Why go: Accommodation near English Harbour is booked out early.

Where: English Harbour and Falmouth Harbour

Antigua CarnivalDate variesUsually late July to the first Tuesday of August

Carnival celebrating emancipation, with parades, J'ouvert and calypso.

Why go: The final days are public holidays with big street parades.

Where: St John's