September Weather in Jamaica
The tables below give the normal September temperatures and rainfall for cities and popular vacation spots in Jamaica. There's also information here on hurricanes, plus this month's average humidity and sunshine.
The measures of climate are averages of data collected at weather stations over several decades.
The weather stations sit near sea level, with one exception. Cinchona Botanical Gardens is in the Blue Mountains of eastern Jamaica, at an elevation of 1,493 metres (4,898 feet).
Temperature
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 90 | 75 | Kingston | 32 | 24 |
| 88 | 74 | Montego Bay | 31 | 23 |
| 87 | 74 | Morant Point | 31 | 23 |
| 87 | 71 | Port Antonio | 31 | 22 |
| 73 | 58 | Cinchona Gardens | 23 | 14 |
Rainfall
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 11 | Kingston | 4.5 | 114 |
| 12 | Montego Bay | 5.0 | 127 |
| – | Morant Point | 10.9 | 277 |
| – | Port Antonio | 7.4 | 188 |
| 14 | Cinchona Gardens | 8.9 | 226 |
Humidity
| Place | am | pm |
|---|---|---|
| Kingston | 82 | 71 |
| Morant Point | 84 | 79 |
| Port Antonio | 86 | 77 |
| Cinchona Gardens | 86 | 87 |
Sunshine
| Place | Hours |
|---|---|
| Kingston | 213 |
| Port Antonio | 216 |
| Cinchona Gardens | 129 |
Hurricanes and Tropical Storms
The likelihood of a named tropical storm getting within 100 miles (165 kilometres of) Jamaica in September is 10 percent. The chance of a hurricane coming that close is 2 percent.
References
Jamaica Meteorological Service. Climate.
NOAA. National Weather Service. National Hurricane Center.