Saint John's
Antigua and Barbuda
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Saint John's, Antigua and Barbuda

Cloudy skies at sunset in St John
Cloudy skies at sunset in St John's Harbour, Antigua
September, the first month of the autumn, in Saint John's, is still a hot month, with average temperature varying between 31.1°C (88°F) and 25°C (77°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still hot 31.1°C (88°F). In September, the average low-temperature is 25°C (77°F).

Rainfall

In Saint John's, it is raining for 12 days, with typically 131.6mm (5.2") of accumulated precipitation. Throughout the year, in Saint John's, there are 125.1 rainfall days, and 1049.3mm (41.3") of precipitation is accumulated.

Daylight

In Saint John's, the average length of the day in September is 12.2h.

What is the temperature in September in Saint John's?

In Saint John's, in September, the average high-temperature is 31.1°C (88°F), and the average low-temperature is 25°C (77°F).

How much does it rain in Saint John's in September?

In Saint John's, in September, it is raining for 12 days, with typically 131.6mm (5.2") of accumulated precipitation.

How many hours of daylight does Saint John's have in September?

The average length of the day in September is 12.2h.
Average temperature in September - Saint John
  • 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
  • Average rainfall in September: 131.6mm

The wettest month (with the highest rainfall) is October (142.2mm).
The driest month (with the lowest rainfall) is February (44.9mm).

Average rainfall days in September - Saint John
  • 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 lowest number of rainy days is April (7.2 days).

Average daylight in September - Saint John
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.1h).