Marsh Harbour weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Marsh Harbour in September. Check more long-term weather averages for Marsh Harbour in September before you book your next holiday to Bahamas in 2025/2026.

  • 30°C maximum daytime temperature in September in Marsh Harbour30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 21 days with some rainfall in September in Marsh Harbour21
    21 days with some rainfall
  • 24°C minimum night-time temperature in September in Marsh Harbour24
    24°C min night temperature
  • 12 hours of daylight per day in September in Marsh Harbour12
    12 hours of daylight per day
  • High heat & humidity in September in Marsh HarbourH
    High heat & humidity
  • 148 mm monthly rainfall in September in Marsh Harbour148
    148 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Marsh Harbour10
    10 (Very High) UV index
  • 29°C sea temperature in September in Marsh Harbour29
    29°C sea temperature

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The September weather guide for Bahamas (Marsh Harbour) 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.

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

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How hot is it in Marsh Harbour in September?

Daytime temperatures usually reach 30°C in Marsh Harbour in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Marsh Harbour in September?

There are normally 7 hours of bright sunshine each day in Marsh Harbour in September - that's 59% of daylight hours.

How warm is the sea around Marsh Harbour in September?

The average sea temperature around Marsh Harbour in September is 29°C.

Does it rain in Marsh Harbour in September?

There are usually 21 days with some rain in Marsh Harbour in September and the average monthly rainfall is 148mm.

What is the chance of a hurricane in Marsh Harbour in September?

On average 1.3 days in September in Marsh Harbour are likely to be affected by the passage of one or more tropical storms.

Marsh Harbour September sunrise & sunset times

Browse the sunrise and sunset times for Marsh Harbour in September 2025. Select a month to view Marsh Harbour sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:48 18:28
Monday, 15th September 2025 05:54 18:12
Tuesday, 30th September 2025 06:00 17:55

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