Falmouth weather in September 2025

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

  • 30°C maximum daytime temperature in September in Falmouth30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in September in Falmouth14
    14 days with some rainfall
  • 22°C minimum night-time temperature in September in Falmouth22
    22°C min night temperature
  • 12 hours of daylight per day in September in Falmouth12
    12 hours of daylight per day
  • High heat & humidity in September in FalmouthH
    High heat & humidity
  • 147 mm monthly rainfall in September in Falmouth147
    147 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Falmouth11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Falmouth29
    29°C sea temperature

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The September weather guide for Jamaica (Falmouth) 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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More about Jamaica

How hot is it in Falmouth in September?

Daytime temperatures usually reach 30°C in Falmouth in September with high heat and humidity, falling to 22°C at night.

How sunny is it in Falmouth in September?

There are normally 7 hours of bright sunshine each day in Falmouth in September - that's 53% of daylight hours.

How warm is the sea around Falmouth in September?

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

Does it rain in Falmouth in September?

There are usually 14 days with some rain in Falmouth in September and the average monthly rainfall is 147mm.

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

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

Falmouth September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:56 18:25
Monday, 15th September 2025 05:58 18:13
Tuesday, 30th September 2025 06:01 18:00

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