September in Trafalgar brings very high temperatures, with highs of 32°C (90°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Trafalgar. Our weather planner can help you explore destinations with more pleasant weather conditions.
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Pick a month to see the average temperature, rainfall and sunshine in Trafalgar - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Trafalgar typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 26°C (79°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Trafalgar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Trafalgar.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Trafalgar 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. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Trafalgar climate overview or explore weather in Jamaica.
Where to go in September - average daytime high across popular destinations.
Runaway Bay
31°C (88°F) Falmouth31°C (88°F) Montego Bay32°C (90°F) Ocho Rios
31°C (88°F) Kingston30°C (86°F) Treasure Beach
31°C (88°F) Negril31°C (88°F) Port Antonio30°C (86°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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