Montego Bay weather in September 2025

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

  • 31°C maximum daytime temperature in September in Montego Bay31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in September in Montego Bay14
    14 days with some rainfall
  • 23°C minimum night-time temperature in September in Montego Bay23
    23°C min night temperature
  • 12 hours of daylight per day in September in Montego Bay12
    12 hours of daylight per day
  • Very high heat & humidity in September in Montego BayVH
    Very High heat & humidity
  • 127 mm monthly rainfall in September in Montego Bay127
    127 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Montego Bay11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Montego Bay29
    29°C sea temperature

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The September weather guide for Jamaica (Montego Bay) 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 Montego Bay in September?

Daytime temperatures usually reach 31°C in Montego Bay in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Montego Bay in September?

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

How warm is the sea around Montego Bay in September?

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

Does it rain in Montego Bay in September?

There are usually 14 days with some rain in Montego Bay in September and the average monthly rainfall is 127mm.

What is the chance of a hurricane in Montego Bay in September?

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

Montego Bay September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:57 18:26
Monday, 15th September 2025 06:00 18:14
Tuesday, 30th September 2025 06:02 18:01

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