Port Antonio Weather in September
What's the weather like in Port Antonio (Portland) in September 2024?
The climate in Port Antonio during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Port Antonio and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 29.8°C 85.6°F |
|---|---|
| Nightly temperature | 21°C 69.7°F |
| Average temperature | 25.4°C 77.7°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 252 mm 9.9 ins |
| Rainy days | 14 days |
| Sea temperature | 29.5°C 85.1°F |
| Humidity | 81% |
| Windspeed | 9.7kph 6 mph |
On average September is the 3rd wettest month of the year in Port Antonio with around 252mm 9.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
September temperatures in Port Antonio
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Port Antonio in September 2024.
Other monthly averages
Best places to visit in September
Port Antonio weather stats
| Hottest month: | August | 30.3°C 86.5°F |
|---|---|---|
| Driest month: | March | 76mm 3ins |
| Sunniest month: | January | 7.6hrs |
| Coldest month: | January | 27.7°C 81.9°F |
| Wettest month: | October | 385mm 15.2ins |
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