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Antigua, Antigua and Barbuda · Tropical

Antigua in September: go or not?

Mixed period. Antigua in September: 4.7/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 17.12°N · 61.85°W
⚡ This month's verdict
Why not
Antigua · September
4.7
26–30°
Temperature
73%
Rain
6h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Rick Jamison via Unsplash
The month in detail

What to expect in September

September falls in the wet season in Antigua. Showers are often brief but intense. With 73.0% of rainy days, always have indoor alternatives planned.

September ranks 12 out of 12 months in Antigua.

This month's conditions

What it's like in September

UV index
9 · very high
protection essential
Feels like
very humid
24°
Sea
30°C
warm, ideal
Daylight
12.1h of daylight
Air quality
good
AQI 20
Compare

Is September the right month?

The best month in Antigua is January (7.9/10), 3.2 pts higher than September.

See January →See all 12 months →
Context

Our verdict

Antigua and Barbuda is an independent state in the Lesser Antilles: 110 sq miles, 100,000 inhabitants. 365 beaches on Antigua, that's the marketing promise ("a beach a day"). March is my favorite month (8.4/10): 75-82°F, 51% rain, sea at 77°F.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

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Stay
Hotels & rentals · Antigua
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Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
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🎟️ Activities & tours · Antigua

GetYourGuide selection · free cancellation

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Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Antigua and Barbuda

🗣️LanguageEnglish
💶CurrencyEast Caribbean Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘ+1.60°F/decade
🔥Hottest monthJune · 86°F
❄️Coolest monthFebruary · 81°F
🌧️Rainiest month ⓘSeptember · 73%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore

Other destinations in September

If September doesn't convince you for this destination, compare with others.

Similar climate
BasseterreSaint Kitts and NevisPuerto RicoPuerto RicoSan JuanPuerto RicoGuadeloupeGuadeloupeMartiniqueMartinique
Nearby
Saint BarthélemySaint Barthélemy135 kmSaint MartinSaint Martin165 kmDominicaDominica197 kmMartiniqueMartinique290 km
Other top picks
Cape VerdeCape Verde5.3SalCape Verde5.6Marsa AlamEgypt5.8Sharm el-SheikhEgypt5.8HurghadaEgypt5.9
← AugustOctober →
🗺️ See all 754 destinations on the map
Location

Where is Antigua ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Antigua and Barbuda
Tropical climate with a 7.9 → 4.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
17.12°N · 61.85°W
Questions

Frequently asked questions

What is the best time to visit Antigua?
March is the best month with 82°F highs, 75°F lows, 7.1h of sunshine and 51.0% rainy days. The months of March & January offer comparable conditions.
How many hours of sunshine does Antigua get in March?
Antigua averages 7.1 sunshine hours per day in March. It is the sunniest month with a climate score of 7.4/10.
What is the rainiest month in Antigua?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Antigua in March?
In March, overnight lows reach 75°F, while afternoon highs average 82°F.
Is Antigua good in winter?
In winter (December-February), Antigua scores 7.3/10 on average — Acceptable conditions for cultural visits.. The best month overall remains March with a score of 7.4/10.
When should you avoid Antigua?
September is the most difficult month to visit Antigua, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Antigua in September?
In September, the sea averages 87°F in Antigua: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Antigua in September?
The average UV index reaches 9 in September in Antigua (very high), with about 12.1h of daylight. Protection essential.