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Nassau, Bahamas · Tropical

Nassau in September: go or not?

Mixed period. Nassau in September: 5.0/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 25.05°N · 77.34°W
⚡ This month's verdict
Why not
Nassau · September
5.0
27–30°
Temperature
57%
Rain
7h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Geri Chapple via Unsplash
The month in detail

What to expect in September

September falls in the wet season in Nassau. Showers are often brief but intense. With 57% of rainy days, always have indoor alternatives planned.

September ranks 12 out of 12 months in Nassau. Compared to August: −1.0h of sun per day.

This month's conditions

What it's like in September

UV index
8 · high
sunscreen and hat advised
Feels like
very humid
23°
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 Nassau is April (8.7/10), 3.7 pts higher than September.

See April →See all 12 months →
Book

Plan your trip

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

🎟️ Activities & tours · Nassau

GetYourGuide selection · free cancellation

See all →
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 · Bahamas

🗣️LanguageEnglish
💶CurrencyDollar des Bahamas ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘVery expensive · 5/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJuly · 31°C
❄️Coolest monthJanuary · 25°C
🌧️Rainiest month ⓘAugust · 58%

🏝️ Tropical stay

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

Where is Nassau ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Bahamas
Tropical climate with a 8.7 → 5.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
25.05°N · 77.34°W
Questions

Frequently asked questions

What is the best time to visit Nassau?
April is the best month with 27.0°C highs, 23.0°C lows, 9.4h of sunshine and 23.0% rainy days. The months of April & February offer comparable conditions.
How many hours of sunshine does Nassau get in April?
Nassau averages 9.4 sunshine hours per day in April. It is the sunniest month with a climate score of 8.3/10.
What is the rainiest month in Nassau?
August is the most unfavourable month with August has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Nassau in April?
In April, overnight lows reach 23.0°C, while afternoon highs average 27.0°C.
Is Nassau good in winter?
In winter (December-February), Nassau scores 7.9/10 on average — Decent period conditions for cultural visits.. The best month overall remains April with a score of 8.3/10.
When should you avoid Nassau?
August is the most difficult month to visit Nassau, with August has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Nassau in September?
In September, the sea averages 30°C in Nassau: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Nassau in September?
The average UV index reaches 8 in September in Nassau (high), with about 12.1h of daylight. Sunscreen and hat advised.