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Jamaica weather in September 2025
Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jamaica in September based on long-term weather averages. There is usually 14 days with some rainfall and 127 mm of average monthly rainfall in September.
- 31°C max day temperature
31 - 7 hours of sunshine per day
- 14 days with some rainfall
14 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 127 mm of monthly rainfall
127 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
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Recommended for Jamaica
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.
Top Jamaica destinations
Below are average maximum temperatures at popular countries, regions and places in Jamaica in September. Select a holiday destination to see more weather parameters.
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Metric (°C / mm) | Imperial (°F / inches)
More about Jamaica
How hot is it in Jamaica in September?
Daytime temperatures usually reach 31°C in Montego Bay, Jamaica in September with very high heat and humidity, falling to 23°C at night.
How sunny is it in Jamaica in September?
There are normally 7 hours of bright sunshine each day in Montego Bay, Jamaica in September - that's 54% of daylight hours.
How warm is the sea around Jamaica in September?
The average sea temperature around Montego Bay, Jamaica in September is 29°C.
Does it rain in Jamaica in September?
There are usually 14 days with some rain in Montego Bay, Jamaica in September and the average monthly rainfall is 127mm.
What is the chance of a hurricane in Jamaica in September?
On average less than 1 day in September in Montego Bay, Jamaica is likely to be affected by the passage of one or more tropical storms.
Jamaica September sunrise & sunset times
Browse the sunrise and sunset times for Jamaica in September 2025. Select a month to view Jamaica sunrise and sunset times for the next 12 months. The Jamaica sunrise and sunset times shown below are for Montego Bay.
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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