Sunset in St John's Harbour, Antigua
September
Weather in September
In September, while temperatures in Saint John's start to slightly decrease, they remain high, indicating the continuation of warm conditions. Noticeably, this month accounts for the heaviest rainfall of the year, totaling 132mm (5.2"). The number of rainfall days with a slight decrease, indicating less frequent but heavier showers. Despite these changes, daylight hours diminish, marking the end of the longest days of the year.
On the first day of the month, sunrise is at 05:53 and sunset at 18:20. On the last day of September, in Saint John's, Antigua and Barbuda, sunrise is at 05:57 and sunset at 17:56 AST.
Temperature
September's onset in Saint John's sees an average high-temperature of a still tropical 31.1°C (88°F), exhibiting a slight fluctuation from the previous month. September in Saint John's witnesses an average low-temperature hovering around a moderately hot 25°C (77°F).Rainfall
In Saint John's, in September, it is raining for 12 days, with typically 132mm (5.2") of accumulated precipitation. In Saint John's, during the entire year, the rain falls for 125.1 days and collects up to 1049mm (41.3") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 05:53 and sunset at 18:20. On the last day of September, in Saint John's, Antigua and Barbuda, sunrise is at 05:57 and sunset at 17:56 AST.
Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Saint John's in September?
During September, Saint John's experiences an average high-temperature of 31.1°C (88°F) and a low-temperature of 25°C (77°F).
How much does it rain in Saint John's in September?
In Saint John's, Antigua and Barbuda, during September, the rain falls for 12 days and regularly aggregates up to 132mm (5.2") of precipitation.
How many hours of daylight does Saint John's have in September?
The average day length in September in Saint John's, Antigua and Barbuda, is 12h and 14min.
When is the sunrise / sunset in September in Saint John's?
On the first day of September in Saint John's, Antigua and Barbuda, sunrise is at 05:53 and sunset at 18:20. On the last day of the month, sunrise is at 05:57 and sunset at 17:56 AST.
Average temperature in September
Saint John's, Antigua and Barbuda
- Average high temperature in September: 31.1°C
The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in September: 25°C
The month with the highest average low temperature is August (25.5°C).
The coldest month (with the lowest average low temperature) is February (22.2°C).
Average rainfall in September
Saint John's, Antigua and Barbuda
- Average rainfall in September: 131.6mm
The wettest month (with the highest rainfall) is October (142.2mm).
The driest month (with the least rainfall) is February (44.9mm).
Average rainfall days in September
Saint John's, Antigua and Barbuda
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is October (12.9 days).
The month with the least rainy days is April (7.2 days).
Average daylight in September
Saint John's, Antigua and Barbuda
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
