Nassau in September
In September, Nassau averages 30°C (86°F) during the day and 27°C (80°F) at night, with frequent rain — about 27 days of the month see precipitation (104 mm total).
Off-peakConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
It's peak hurricane season in Nassau during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How September compares to the rest of the year in Nassau
September is one of the warmest months in Nassau (3rd of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 2°C above the annual average (28°C). September runs 1°C cooler than August (31°C) and cools 1°C in October (29°C).
September sunrise & sunset in Nassau
Times shown for Nassau local time (America/Nassau), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Nassau — September
Golden-hour and blue-hour windows for the 15th of September, in Nassau's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Nassau in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Nassau's popularity.
Crowds & pricing — September in Nassau
This is off-peak for Nassau — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: peak hazard season (1 active)
Sun & mosquito risk — September in Nassau
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Nassau — September
Across the year Nassau's sea swings from 23.9°C (February) to 30.9°C (July) — September sits at 30.2°C.
Nassau in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 25°C / 76°F | 21°C / 70°F | 47 mm | 19 | — |
| February | 25°C / 77°F | 22°C / 71°F | 26 mm | 17 | — |
| March | 26°C / 78°F | 22°C / 71°F | 28 mm | 17 | — |
| April | 27°C / 81°F | 23°C / 74°F | 52 mm | 20 | — |
| May | 28°C / 82°F | 24°C / 76°F | 110 mm | 23 | — |
| June | 29°C / 85°F | 26°C / 79°F | 79 mm | 26 | — |
| July | 31°C / 87°F | 27°C / 81°F | 70 mm | 27 | — |
| August | 31°C / 87°F | 27°C / 81°F | 76 mm | 27 | — |
| September | 30°C / 86°F | 27°C / 80°F | 104 mm | 27 | — |
| October | 29°C / 83°F | 25°C / 78°F | 130 mm | 25 | — |
| November | 27°C / 80°F | 24°C / 75°F | 61 mm | 21 | — |
| December | 26°C / 78°F | 23°C / 73°F | 45 mm | 17 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Nassau in September →
Frequently asked questions
How hot is Nassau in September?
In September, Nassau averages a high of 30°C (86°F) and a low of 27°C (80°F) — generally hot.
Does it rain a lot in Nassau in September?
September is quite rainy in Nassau, with about 27 rainy days on average.
Is September a good time to visit Nassau?
September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Nassau in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Nassau for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.