Kew in September sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 26°C (79°F). Rainfall is at its peak this month, around 172 mm (6.8 in) on average, so waterproofs are essential.
If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Kew. 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 Kew - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Kew typically stay consistent throughout September, with daily highs averaging around 31°C (88°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 Kew spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Kew spans 2006 to 2026, revealing these weather extremes.
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 Kew 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Kew 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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