Average temperature in September is 28.9 °C
Average daytime temperature is 31.9 °C
Average night temperature is 26.1 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: 23.6 °C
Number of sunny days: 2
Number of rainy days: 28
Number of snow days:
Precipitation sum: 83 mm
* Weather data for Port Antonio Jamaica is based on climate observations for 2023 year
| September (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 32 | 31.6 | 32.2 | 31 | 32.3 | 32.5 | 31.5 | 30.6 | 32.2 | 30.9 | 32 | 31.8 | 32.1 | 31.9 | 32.6 | 32.5 | 32.6 | 32.2 | 31 | 32.8 | 33.1 | 32.3 | 30.3 | 31.1 | 30.3 | 32.4 | 32.5 | 31.9 | 32.3 | 32.6 |
| Apparent max temperature | 38.1 | 39 | 38.2 | 36.5 | 37.7 | 38 | 38 | 36.1 | 37.7 | 37.6 | 39.1 | 39.2 | 38.5 | 39 | 38.3 | 39.1 | 38.3 | 39 | 36.4 | 38.9 | 39.5 | 38.5 | 35.3 | 35.6 | 34.8 | 39.6 | 39.9 | 39 | 38 | 39.9 |
| Mean temperature | 29.5 | 28.8 | 28.6 | 28.3 | 29.2 | 29.2 | 28.6 | 28.2 | 29 | 28.9 | 28.8 | 29.2 | 29.2 | 29.1 | 29.1 | 29.1 | 29.3 | 29.2 | 28.7 | 29.9 | 29.4 | 29.3 | 27.7 | 28.1 | 27.8 | 29.8 | 29.3 | 28.6 | 28.9 | 29.3 |
| Apparent mean temperature | 32.6 | 31.5 | 30.6 | 30.5 | 32.1 | 31 | 30.7 | 31 | 30.7 | 32 | 32.9 | 31.7 | 30.1 | 29.6 | 29.4 | 31.1 | 29.7 | 30.6 | 31.3 | 32.7 | 30.7 | 30.8 | 29.1 | 29.6 | 27.4 | 32.2 | 32.4 | 30.6 | 30.6 | 30.7 |
| Minimum temperature | 28 | 25.3 | 25.7 | 25.9 | 27.1 | 26.7 | 26.3 | 26.1 | 26.3 | 26.9 | 26.1 | 26.1 | 27 | 26.1 | 26.2 | 25 | 25.8 | 26.5 | 26.7 | 27.8 | 26 | 26.4 | 24.6 | 25.2 | 23.6 | 26.7 | 25.7 | 25.5 | 26.3 | 26.2 |
| Apparent min temperature | 34.8 | 35.1 | 34 | 33.3 | 34 | 33.8 | 34 | 33.6 | 33.8 | 34.8 | 35.2 | 35.5 | 34.1 | 34.4 | 33.9 | 35 | 34.3 | 34.3 | 33.5 | 35 | 35.1 | 34.6 | 32.3 | 32.4 | 32.4 | 35.5 | 35.3 | 34.5 | 33.9 | 35.2 |
| September | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 12 |
| Sunshine duration (h) | 9.2 | 11.6 | 11.7 | 11.5 | 11.5 | 11.5 | 7.6 | 11.7 | 11.6 | 11.6 | 11 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.3 | 11.5 | 11.5 | 11.4 | 10 | 8.1 | 9.2 | 6.6 | 10.8 | 11.3 | 11.3 | 11.3 | 11.3 |
| Precipitation (mm) | 1.2 | 4.7 | 5.8 | 2.5 | 0.4 | 0.7 | 0.7 | 2.8 | 0.4 | 2.6 | 3.4 | 2.3 | 0.6 | 2.3 | 0 | 1.4 | 0.1 | 0.2 | 3.5 | 0 | 2.2 | 0.3 | 6.7 | 0.9 | 30.1 | 1.8 | 1.9 | 2.8 | 0.3 | 0.4 |
| Precipitation hours | 8 | 14 | 4 | 8 | 3 | 2 | 6 | 8 | 2 | 13 | 16 | 8 | 3 | 6 | 0 | 10 | 1 | 2 | 7 | 0 | 4 | 3 | 6 | 3 | 17 | 8 | 7 | 11 | 1 | 3 |
| Wind speed (m/s) | 17.5 | 7.6 | 14.8 | 20.5 | 17 | 15.8 | 12 | 16.9 | 15.6 | 9.1 | 10.4 | 8 | 10.4 | 7.5 | 14.2 | 11.3 | 14.2 | 8.7 | 16.5 | 12.7 | 15.3 | 11.9 | 16.4 | 21.7 | 17.6 | 14.5 | 13.7 | 12.1 | 14.8 | 9.1 |
In September 2023, the highest daytime temperature in Port Antonio was 33.1°C.
While the minimum temperature at night dropped to 23.6°C.
The average nighttime and daytime temperatures during September in Port Antonio are 26.1°C and 31.9°C respectively.
The precipitation sum in September is about 83 mm.