Nassau weather in September
Nassau averages 30°C by day and 27°C at night in September, with the sea at 30°C and about 118 mm of rain in the month.
Day
30°C
Night
27°C
Sea
30°C
Rain
118 mm
Flight from London
8½h
What September feels like
September is hot in Nassau: proper beach weather.
The sea is warm at 30°C: comfortable for long swims.
Expect some rainy spells: about 118 mm falls in the month.
That is 10°C warmer than an average September day in London.
Of the 56 sun destinations we track, Nassau is the #16 warmest in September.
Want it warmer in September?
These are hotter than Nassau this month for at most an hour and a half more flying:
Nassau weather by month
September is highlighted. Compare with August and October, or see the full year in Nassau.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 25°C | 21°C | 24°C | 45 mm |
| February | 25°C | 22°C | 24°C | 32 mm |
| March | 26°C | 22°C | 25°C | 34 mm |
| April | 27°C | 23°C | 26°C | 49 mm |
| May | 28°C | 24°C | 28°C | 105 mm |
| June | 29°C | 26°C | 29°C | 85 mm |
| July | 31°C | 27°C | 31°C | 69 mm |
| August | 31°C | 27°C | 31°C | 90 mm |
| September | 30°C | 27°C | 30°C | 118 mm |
| October | 29°C | 26°C | 29°C | 127 mm |
| November | 27°C | 24°C | 26°C | 54 mm |
| December | 26°C | 22°C | 25°C | 47 mm |
Nassau in September: quick answers
Is Nassau hot in September?
September is hot in Nassau: proper beach weather. Average highs are 30°C and lows 27°C.
Can you swim in Nassau in September?
The sea is warm at 30°C: comfortable for long swims.
Does it rain in Nassau in September?
Expect some rainy spells: about 118 mm falls in the month.
What is the warmest month in Nassau?
August, at an average high of 31°C. The coolest is January at 25°C.
How long is the flight to Nassau from the UK?
About 8½h direct from London, estimated from the 6,968 km distance. Check your airline for exact times.
Still choosing? See where is hot in September for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in September from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Nassau in September?
Save the restaurants, beaches and views you find on TikTok and Instagram for Nassau straight to a map, then let Dream Trip turn them into a day-by-day plan.
