Roatan weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Roatan in September. Check more long-term weather averages for Roatan in September before you book your next holiday to Honduras in 2025/2026.

  • 90°F maximum daytime temperature in September in Roatan90
    90°F max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in September in Roatan17
    17 days with some rainfall
  • 77°F minimum night-time temperature in September in Roatan77
    77°F min night temperature
  • 12 hours of daylight per day in September in Roatan12
    12 hours of daylight per day
  • Very high heat & humidity in September in RoatanVH
    Very High heat & humidity
  • 7.6 inches monthly rainfall in September in Roatan7.6
    7.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Roatan11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Roatan84
    84°F sea temperature

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The September weather guide for Honduras (Roatan) 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)  |  Imperial (°F)

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How hot is it in Roatan in September?

Daytime temperatures usually reach 90°F in Roatan in September with very high heat and humidity, falling to 77°F at night.

How sunny is it in Roatan in September?

There are normally 7 hours of bright sunshine each day in Roatan in September - that's 54% of daylight hours.

How warm is the sea around Roatan in September?

The average sea temperature around Roatan in September is 84°F.

Does it rain in Roatan in September?

There are usually 17 days with some rain in Roatan in September and the average monthly rainfall is 7.6 inches.

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

On average less than 1 day in September in Roatan is likely to be affected by the passage of one or more tropical storms.

Roatan September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:33 17:59
Monday, 15th September 2025 05:34 17:48
Tuesday, 30th September 2025 05:36 17:36

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