Green Island Weather in September
Green Island in September averages 31°C (88°F) during the day and 27°C (81°F) at night. This is the wettest month of the year.
Rainfall in Green Island in September
Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. This month experiences about 14 days of rain according to historical data, averaging 136 mm (5.4 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Green Island in September
In September, Green Island sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 27°C (81°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Sunshine in Green Island in September
The days are predominantly sunny, with an estimated total of around 210 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.September in Green Island has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our Green Island's climate page.
Green Island Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
31°C (88°F)
Chance of Rain
48%
Precipitation
136 mm (5.4 in)
Rainy days
14 days
Humidity
78% *
Sunshine
210 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Green Island typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Green Island in September
Browse day-by-day weather records for Green Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Green Island historical weather extremes in September
The extremes listed below come from historical weather data collected in Green Island from 2006 through 2025.
- Green Island recorded its highest September temperature of 35°C (95°F) on September 12, 2009.
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 28, 2010.
- Nighttime temperatures dropped to 22°C (72°F) on September 16, 2021, marking the coldest September night on record.
Best Places in Jamaica in September
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Green Island in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Green Island in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our Green Island's climate page.
Temperature Rainfall Sunshine Humidity
See the full Green Island climate overview or explore weather in Jamaica.
