Bahamas weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Bahamas in September. Check more long-term weather averages for Bahamas in September before you book your next holiday to Bahamas in 2025/2026.

  • 31°C maximum daytime temperature in September in Bahamas (Nassau)31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 23 days with some rainfall in September in Bahamas (Nassau)23
    23 days with some rainfall
  • 24°C minimum night-time temperature in September in Bahamas (Nassau)24
    24°C min night temperature
  • 12 hours of daylight per day in September in Bahamas (Nassau)12
    12 hours of daylight per day
  • Very high heat & humidity in September in Bahamas (Nassau)VH
    Very High heat & humidity
  • 178 mm monthly rainfall in September in Bahamas (Nassau)178
    178 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Bahamas (Nassau)10
    10 (Very High) UV index
  • 29°C sea temperature in September in Bahamas (Nassau)29
    29°C sea temperature

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The September weather guide for Bahamas (Nassau) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Bahamas destinations

Below are average maximum temperatures at popular countries, regions and places in the Bahamas in September. Select a holiday destination to see more weather parameters.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in the Bahamas in September?

Daytime temperatures usually reach 31°C in Nassau, Bahamas in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in the Bahamas in September?

There are normally 7 hours of bright sunshine each day in Nassau, Bahamas in September - that's 58% of daylight hours.

How warm is the sea around the Bahamas in September?

The average sea temperature around Nassau, Bahamas in September is 29°C.

Does it rain in the Bahamas in September?

There are usually 23 days with some rain in Nassau, Bahamas in September and the average monthly rainfall is 178mm.

What is the chance of a hurricane in the Bahamas in September?

On average 1 day in September in Nassau, Bahamas is likely to be affected by the passage of one or more tropical storms.

Bahamas September sunrise & sunset times

Browse the sunrise and sunset times for Bahamas in September 2025. Select a month to view Bahamas sunrise and sunset times for the next 12 months. The Bahamas sunrise and sunset times shown below are for Nassau.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:50 18:28
Monday, 15th September 2025 05:56 18:13
Tuesday, 30th September 2025 06:01 17:57

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