September weather forecast and climate
New Winthorpes, Antigua and Barbuda

The first month of the autumn, September, is still a hot month in New Winthorpes, Antigua and Barbuda, with average temperature ranging between min 25°C (77°F) and max 31°C (87.8°F).

Temperature

The warmest months are July through September, with an average high-temperature of 31°C (87.8°F).

Rainfall

September is the month with the most rainfall in New Winthorpes. Rain falls for 17 days and accumulates 140mm (5.51") of precipitation.

Sea temperature

With an average sea temperature of 29°C (84.2°F), September is the month with the warmest seawater in New Winthorpes.
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in New Winthorpes, Antigua and Barbuda, is 12.2h.

Sunshine

Months with the least sunshine are September through December, with an average of 7h of sunshine.

UV index

Months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 12 interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What are the warmest months in New Winthorpes?

July through September, with an average high-temperature of 31°C (87.8°F), are warmest months in New Winthorpes, Antigua and Barbuda.

What is the temperature in September in New Winthorpes?

In New Winthorpes, in September, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 25°C (77°F).

How many days does it rain in September in New Winthorpes?

In New Winthorpes, during September, the rain falls for 17 days and regularly aggregates up to 140mm (5.51") of precipitation.

What is the wettest month in New Winthorpes?

The month with the most rainfall is September when the rain falls for 17 days and typically aggregates up to 140mm (5.51") of precipitation.

What month is the sea warmest in New Winthorpes?

With an average sea temperature of 29°C (84.2°F), September is the month with the warmest seawater in New Winthorpes.

What is the water temperature in September in New Winthorpes?

In New Winthorpes, the average seawater temperature in September is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does New Winthorpes have in September?

In September, the average length of the day in New Winthorpes is 12.2h.

What is the month with the least sunshine in New Winthorpes?

Months with the least sunshine in New Winthorpes, Antigua and Barbuda, are September through December, with an average of 7h of sunshine.

How many hours of sunshine does New Winthorpes have in September?

The average sunshine in September is 7h.

What are the months with the highest UV index in New Winthorpes?

March through September, with an average maximum UV index of 12, are months with the highest UV index in New Winthorpes, Antigua and Barbuda.

What is the UV index intensity in September in New Winthorpes?

In September, the average daily maximum UV index is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - New Winthorpes, Antigua and Barbuda
  • Average high temperature in September: 31°C

The warmest months (with the highest average high temperature) are July, August and September (31°C).
Months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in September: 25°C

Months with the highest average low temperature are June, July, August and September (25°C).
The coldest months (with the lowest average low temperature) are January, February and March (22°C).

Average rainfall in September - New Winthorpes, Antigua and Barbuda
  • Average rainfall in September: 140mm

The wettest month (with the highest rainfall) is September (140mm).
The driest month (with the least rainfall) is February (37mm).

Average rainfall days in September - New Winthorpes, Antigua and Barbuda
  • Average rainfall days in September: 17 days

Months with the highest number of rainy days are September, October, November and December (17 days).
The month with the least rainy days is April (11 days).

Average sea temperature in September - New Winthorpes, Antigua and Barbuda
  • Average sea temperature in September: 29°C

The best month for swimming (with the highest average sea temperature) is September (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).

Average daylight in September / Average sunshine in September - New Winthorpes, Antigua and Barbuda
  • Average daylight in September: 12.2h

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

  • Average sunshine in September: 7h

Months with the most sunshine are January, February, March, April, May, June, July and August (Average sunshine: 8h).
Months with the least sunshine are September, October, November and December (Average sunshine: 7).

Average UV index in September - New Winthorpes, Antigua and Barbuda
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).