Climate guide for Nassau, Bahamas

Nassau in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Bahamas

Best time to visit Nassau in September Weather, crowds & prices

Weather in Nassau in September

Average temperature 30°C, 131 mm of rain, about 24 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.0/10

Ranked #8 of 12 months

Full year for Nassau
Avg temp
30°C
Rainfall
131 mm
Humidity
77%
Days with 6h+ sun
24
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Nassau scores 8.0/10 for beach and coastal travel - ranked #8 of 12. Expect around 30°C, 131 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.

Nassau's colonial harbour, straw market and Paradise Island beaches anchor the Bahamas.

September in Nassau — reliably good (8th best month)

Days in September average 30°C (85°F) and humidity near 77% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

131 mm of rain makes this a wet month here, though with about 24 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 8/10 on the same scale — 8th of 12 months, versus 9.1/10 for the best month here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Budget for mid-season pricing, and crowds are moderate.

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Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Nassau in September?
In September, Nassau averages 30°C, 131 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
Is September a good time to visit Nassau?
September earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Nassau in September?
Expect about 131 mm of rain in September. Average humidity is 77% and there are about 24 days with 6+ hours of sunshine.

Curated in Nassau

Tickets & experiences

Things to do in Nassau

Nassau, Bahamas. Live activities and tours from GetYourGuide, matched to this destination.