Jamaica in September: Weather, Crowds & What to Expect

Season
Low Season
Temperature
24 to 30°C (75 to 86°F)
Crowds
Low
Prices
Low
September tends to be one of the wettest months with high humidity and frequent heavy rain; it is also in the peak of the Atlantic hurricane season. Many travelers avoid this month due to storm risk and more unsettled weather. Those who visit can find low-season prices and quieter beaches.

Climate Map for September

Jamaica average temperature in September
-30°-20°-10° 10°20°30°40°

Average temperature across Jamaica in September.

City Weather in September

City High Low Rain UV Feels
Kingston, Jamaica 31° 23° 143 mm extreme Hot
Spanish Town 32° 23° 135 mm extreme Hot
Portmore, Saint Catherine 32° 24° 137 mm extreme Hot
Montego Bay 32° 24° 152 mm extreme Hot
Mandeville, Jamaica 28° 19° 245 mm extreme Mild
May Pen 31° 23° 149 mm extreme Hot
Old Harbour, Jamaica 31° 23° 140 mm extreme Hot

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

West Coast - Negril, Montego Bay and Lucea

Late-summer humidity stays high and September is often the wettest month; rivers and streams that feed into coastal areas run stronger, and low-lying roads can flood briefly after heavy rain. Beach time is still possible between showers, but this is the highest risk window for tropical storms affecting ferry and charter boat services. Flexible itineraries and a waterproof daypack are wise.

North Coast - Ocho Rios, St. Ann and Discovery Bay

September often produces the heaviest rains of the year and the greatest chance of tropical storms; rivers rise quickly and some roads inland from Ocho Rios may be affected. Many attractions stay open, but guided waterfall climbs and river rafting can be limited after storms. Visit only with waterproof plans and expect quieter towns as cruise calls decline during peak storm months.

East Coast & Portland Parish - Port Antonio, Blue Lagoon and Reach Falls

September often records the most widespread rain and the greatest chance of tropical storms passing nearby; waterfalls and rivers are dramatic but not always safe for swimming. Port Antonio becomes quieter as international visitors pull back; this can be a good time for off-season rates but with the trade-off of unpredictable weather. Keep an eye on official advisories and local news.

Kingston & Southeast Coast - Kingston, Port Royal and Hellshire

September often brings the most significant rain and the greatest chance of tropical disturbances; some neighborhoods experience brief urban flooding and traffic delays during heavy storms. Museums and indoor attractions remain open but plan for slower transfers and possible service interruptions. Travelers should have contingency days and stay informed about local conditions.

South Coast & Central South - Treasure Beach, Black River and St. Elizabeth

September often brings the most widespread rains and the largest storm risk; rivers like the Black River swell, and some low-lying coastal tracks can be disrupted. Visitor numbers drop, and services in smaller villages may be intermittent during heavy weather. Consider flexible bookings and carry dry bags for electronics when exploring estuaries and mangroves.

Blue Mountains & Interior Highlands

September often records sustained rainfall and the highest risk of washouts on remote mountain roads; summit trails can be closed or unsafe after heavy storms. The atmosphere is intensely green and waterfalls are at their fullest, but travel logistics become the priority-allow extra time for transfers. A flexible itinerary and local guidance are strongly recommended.

Events & Festivals in September

There are no major festivals or events in Jamaica during September to be aware of.