What September feels like in Nassau
Early autumn arrives in Nassau with September. Afternoons are hot, so sightseeing works best in the morning or evening. Even after dark it stays hot and sultry. High humidity makes the heat feel heavier and sticky, especially on still afternoons.
Rain in Nassau in September
September is persistently wet here: some rain falls on most days. A rainy day brings about 6.5 mm (0.3 in) on average — steady rain rather than a passing shower. Across the year Nassau averages about 5.9 mm per rainy day, so September is typical. It is among the three wettest months of the year.
Daylight and sunshine in September
Mid-month, Nassau gets 12 h 20 min of daylight, from sunrise near 6:55 am to sunset near 7:15 pm. Days are getting shorter: 42 min less daylight than in mid-August. The sun is out for roughly 88% of those daylight hours, so skies are mostly clear.
How September compares to the rest of the year
In Nassau's temperature order, September sits as the 3rd warmest month. Against August, the average high is 0.8°C (1.4°F) lower, with 12 mm more rain. Temperatures keep falling into October. By October, typical highs are 28.1°C (82.6°F).
Who September suits
- Sightseeing: less ideal — rain falls on more than half the days.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Beach: less ideal — too many rainy days.
- Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.
Tips for visiting Nassau in September
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sun Protection
Protect yourself from strong sun: hat, SPF and plenty of water.
Quick questions
How warm is Nassau in September?
Expect around 29.5°C (85.1°F) in the afternoon and 26.5°C (79.7°F) at night, which most visitors would call hot.
Does it rain a lot in Nassau in September?
It does: about 19 rainy days bring roughly 123 mm, so plan some indoor options.
What should I wear in Nassau in September?
The numbers point to rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.
Is September or October better for visiting Nassau?
On our 12-month climate ranking, October comes out ahead (#11 of 12 vs #12). October is cooler and has fewer rainy days.