September weather forecast
Liberta, Antigua and Barbuda

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Weather in September

September signifies a transition in weather patterns from August in Liberta, Antigua, and Barbuda. The wind speed registers a drop, leading to calmer days. Rainfall slightly drops from the August stats, easing out high moisture conditions. The UV index holds steady at 7, cautioning against UV radiation effects. September is notable for holding the year's minimum wind speeds at 21.1km/h (13.1mph).

Temperature

Liberta registers the highest average temperatures during the month of September, with peaks of 28.8°C (83.8°F) and lows of 27.7°C (81.9°F).

Heat index

For most parts of September, the heat index is evaluated at a tropical 34°C (93.2°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In Liberta, the average relative humidity in September is 77%.

Rainfall

In Liberta, in September, it is raining for 23.3 days, with typically 88mm (3.46") of accumulated precipitation. Throughout the year, there are 265.2 rainfall days, and 744mm (29.29") of precipitation is accumulated.

Daylight

The average length of the day in September in Liberta 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, sunrise is at 05:57 and sunset at 17:56 AST.

Sunshine

The months with the most sunshine in Liberta are April, August and September, with an average of 10.3h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jan 24, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the warmest months in Liberta?

September temperatures in Liberta tend to peak at an average high of 28.8°C (83.8°F) and dip to a low of 27.7°C (81.9°F).

How hot is it in Liberta in September?

The high-temperature in Liberta, Antigua and Barbuda, during September is 28.8°C (83.8°F) and the low-temperature is 27.7°C (81.9°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 34°C (93.2°F).

What is the average humidity in September in Liberta?

In Liberta, the average relative humidity in September is 77%.

How much does it rain in Liberta in September?

In September, in Liberta, Antigua and Barbuda, the rain falls for 23.3 days. Throughout September, 88mm (3.46") of precipitation is accumulated.

What is the average length of the day in September in Liberta?

In September, the average day length in Liberta, Antigua and Barbuda, is 12h and 14min.

What time are sunrise and sunset in September in Liberta?

On the first day of September in Liberta, 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.

What are the months with the most sunshine in Liberta?

The months with the most sunshine are April, August and September, with an average of 10.3h of sunshine.

How long on average sun shines in September in Liberta?

In Liberta, the average sunshine duration in September is 10.3h.

What are the months with the highest UV index in Liberta?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Liberta.

What are the months with the lowest UV index in Liberta?

The months with the lowest UV index in Liberta are January through December, with an average maximum UV index of 7.

What is the UV index reading in September in Liberta?

In September, the average daily maximum UV index in Liberta, Antigua and Barbuda, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in September
Liberta, Antigua and Barbuda

Average temperature in September - Liberta, Antigua and Barbuda
  • Average high temperature in September: 28.8°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is March (25.9°C).

  • Average low temperature in September: 27.7°C

The month with the highest average low temperature is October (27.9°C).
The coldest months (with the lowest average low temperature) are February and March (25°C).

Average pressure in September
Liberta, Antigua and Barbuda

Average pressure in September - Liberta, Antigua and Barbuda
  • Average pressure in September: 1013.2mbar

The month with the highest atmospheric pressure is June (1016.3mbar).
The months with the lowest atmospheric pressure are October and November (1012.6mbar).

Average wind speed in September
Liberta, Antigua and Barbuda

Average wind speed in September - Liberta, Antigua and Barbuda
  • Average wind speed in September: 21.1km/h

The windiest month (with the highest average wind speed) is July (26.9km/h).
The calmest month (with the lowest average wind speed) is October (20.4km/h).

Average humidity in September
Liberta, Antigua and Barbuda

Average humidity in September - Liberta, Antigua and Barbuda
  • Average humidity in September: 77%

The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).

Average rainfall in September
Liberta, Antigua and Barbuda

Average rainfall in September - Liberta, Antigua and Barbuda
  • Average rainfall in September: 88mm

The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in September
Liberta, Antigua and Barbuda

Average rainfall days in September - Liberta, Antigua and Barbuda
  • Average rainfall days in September: 23.3 days

The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is March (17.7 days).

Average daylight in September /
Average sunshine in September
Liberta, Antigua and Barbuda

Average daylight in September / Average sunshine in September - Liberta, 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).

  • Average sunshine in September: 10h and 2min

The months with the most sunshine are April, August and September (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

Average sunshine days in September
Liberta, Antigua and Barbuda

Average sunshine days in September - Liberta, Antigua and Barbuda
  • Average sunshine days in September: 3.3 days

The month with the most sunshine days is March (9.1 days).
The month with the least sunshine days is July (0.6 days).

Average UV index in September
Liberta, Antigua and Barbuda

Average UV index in September - Liberta, Antigua and Barbuda
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in September
Liberta, Antigua and Barbuda

Average cloud cover in September - Liberta, Antigua and Barbuda
  • Average cloud cover in September: 38

The months with the most cloud cover are May, June and July (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 34).

Average visibility in September
Liberta, Antigua and Barbuda

Average visibility in September - Liberta, Antigua and Barbuda
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Liberta, Antigua and Barbuda

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