Port Antonio Weather: September
 |
Average Day Temperature: | 90.1°F |
|
Average Night Temperature: | 83.6°F |
|
Sea Water Temperature: | 89.6°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 12.0 - 12.5 hours | |
|
Number of Rainy Days: | 5 days |
| Precipitation Totals: | 3.0 in | |
| detailed information | ||
forecast
| Port Antonio |
Temperature
| Port Antonio |
Air Temperature in September, °F
The highest day temperature in September 2025 was 92°F. The lowest night temperature was 83°F. The average values for day and night temperatures during September were 89.7°F и 85.0°F respectivly.
Port Antonio Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Port Antonio was 90.4°F. The maximum and minimum values were 89.8°F and 91.0°F respectively.
Most of the days in September are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Port Antonio is 3.0 in.
The average wind speed in September is 8.0 mph. It makes September the most windless month of the year for Port Antonio.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Port Antonio in September is 7.3 hours.
Port Antonio on the Weather Map
| Kingston |  |
+80 |
| Montego Bay | |
+80 |
| Negril | |
+82 |
| Ocho Rios |  |
+80 |
| Port Antonio | |
+82 |
| Runaway Bay | |
+82 |
| Westmoreland | |
+82 |
| 0600 |  |
82°F | W 7 mph |
| 0900 |  |
84°F | W 7 mph |
| 1200 | |
84°F | W 7 mph |
| 1500 |  |
84°F | W 7 mph |
| 1800 | |
84°F | W 4 mph |
| 2100 |  |
82°F | W 5 mph |
| 0000 | |
82°F | NW 7 mph |
| 0300 | |
82°F | NW 7 mph |