Falmouth Weather in September
September in Falmouth brings very high temperatures around 31°C (88°F) during the day, dropping to 25°C (77°F) at night, with quite a bit of rainfall expected, averaging around 188 mm (7.4 in) for the month.
Rainfall in Falmouth in September
Typically, about 14 days will experience rainfall, with an average of 188 mm (7.4 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Falmouth in September
Falmouth in September gets highs of 31°C (88°F) during the day and drops to 25°C (77°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Falmouth in September
The month enjoys around 210 hours of sunshine, creating mostly sunny days with good weather conditions.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Falmouth. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Falmouth's climate page.
Falmouth Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
48%
Precipitation
188 mm (7.4 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 Falmouth 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 Falmouth in September
Browse day-by-day weather records for Falmouth spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Falmouth historical weather extremes in September
Our historical data for Falmouth spans 2006 to 2025, revealing these weather extremes.
- Falmouth recorded its highest September temperature of 35°C (95°F) on September 12, 2009.
- On September 28, 2010, Falmouth saw its coldest September day with temperatures maxing out at 26°C (79°F).
- The coldest night in September in Falmouth was on September 16, 2021, with a minimum of 22°C (72°F).
- The wettest September day on record brought 96 mm (3.8 in) of precipitation to Falmouth (September 29, 2007).
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 Falmouth in September
Warm but pleasant conditions in Falmouth in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Falmouth 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 Falmouth's climate page.
Temperature Rainfall Sunshine Humidity
See the full Falmouth climate overview or explore weather in Jamaica.
