Jamaica Weather in September

What's the weather like in Jamaica (New York) in September 2025?

The climate in Jamaica during September can be summarized as warm and a little damp.

September is in the fall / autumn in Jamaica and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 15°C (59°F) is normal.

Jamaica weather averages (imperial / metric)
Daytime temperature 24.1°C 75.3°F
Nightly temperature 15.2°C 59.3°F
Average temperature 19.6°C 67.3°F
Daily sunshine 7.9 hrs
Avg rainfall 86 mm 3.4 ins
Rainy days 8 days
Sea temperature 20.6°C 69.1°F
Humidity 70%
Windspeed 17.3kph 11 mph

On average September is the 4th driest month of the year in Jamaica with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

September temperatures in Jamaica

Jamaica average temperature in September

September rainfall

Jamaica average rain in September

September hourly sunshine

Jamaica average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Jamaica in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Jamaica weather stats

Jamaica weather statistics
Hottest month: July 28.3°C 82.9°F
Driest month: February 76mm 3ins
Sunniest month: August 9.2hrs
Coldest month: January 3.1°C 37.6°F
Wettest month: April 99mm 3.9ins
Map showing location of Jamaica (40.69149, -73.80569) Jamaica map pin © Google

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