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Basseterre, Saint Kitts and Nevis · Tropical

Basseterre in September: go or not?

Mixed period. Basseterre in September: 5.7/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 17.30°N · 62.72°W
⚡ This month's verdict
Why not
Basseterre · September
5.7
26–29°
Temperature
28%
Rain
8h
Sun
🌴 Tropical☀️ High UV☀️ Dry all year
The month in detail

What to expect in September

Autumn marks the end of peak season in Basseterre. Temperatures drop (84°F) and rain returns (28% of days). Expect rain on 28% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. March (9.0/10) is significantly better if possible.

September ranks 11 out of 12 months in Basseterre. Compared to August: 5 pts more rainy days, −0.6h of sun per day.

This month's conditions

What it's like in September

Feels like
very humid
24°
Daylight
12.1h of daylight
Compare

Is September the right month?

The best month in Basseterre is March (9.0/10), 3.3 pts higher than September.

See March →See all 12 months →
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Plan your trip

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

🎟️ Activities & tours · Basseterre

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
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 · Saint Kitts and Nevis

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

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘ+1.79°F/decade
🔥Hottest monthJune · 84°F
❄️Coolest monthJanuary · 79°F
🌧️Rainiest month ⓘSeptember · 28%

🏝️ Tropical stay

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

Where is Basseterre ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Saint Kitts and Nevis
Tropical climate with a 9.0 → 5.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
17.30°N · 62.72°W
Questions

Frequently asked questions

What is the best time to visit Basseterre?
March is the best month with 81°F highs, 75°F lows, 8.4h of sunshine and 6.0% rainy days. The months of March & January offer comparable conditions.
How many hours of sunshine does Basseterre get in March?
Basseterre averages 8.4 sunshine hours per day in March. It is the sunniest month with a climate score of 8.8/10.
What is the rainiest month in Basseterre?
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 Basseterre in March?
In March, overnight lows reach 75°F, while afternoon highs average 81°F.
Is Basseterre good in winter?
In winter (December-February), Basseterre scores 8.4/10 on average — Acceptable conditions for cultural visits.. The best month overall remains March with a score of 8.8/10.
When should you avoid Basseterre?
September is the most difficult month to visit Basseterre, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.