September weather forecast
Cedar Grove, Antigua and Barbuda

Weather in September

September, the first month of the autumn in Cedar Grove, is also a moderately hot month, with an average temperature ranging between min 27.7°C (81.9°F) and max 28.8°C (83.8°F).

Temperature

September is the warmest month, with an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 27.7°C (81.9°F).

Heat index

In September, the average heat index is estimated at a tropical 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, clothing, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Cedar Grove, Antigua and Barbuda, the average relative humidity in September is 77%.

Rainfall

In Cedar Grove, 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.

Sea temperature

The month with the warmest seawater is September, with an average sea temperature of 29°C (84.2°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Cedar Grove, the average length of the day in September 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 Cedar Grove, sunrise is at 05:57 and sunset at 17:57 AST.

Sunshine

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

UV index

The months with the highest UV index in Cedar Grove are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Cedar Grove, Antigua and Barbuda. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the warmest month in Cedar Grove?

With an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 27.7°C (81.9°F), September is the warmest month in Cedar Grove, Antigua and Barbuda.

What is the temperature in September in Cedar Grove?

The average high-temperature, in September, in Cedar Grove, Antigua and Barbuda, is 28.8°C (83.8°F), while the average low-temperature is 27.7°C (81.9°F). in September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 34°C (93.2°F).

What is the average humidity in September in Cedar Grove?

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

How much does it rain in Cedar Grove in September?

In Cedar Grove, Antigua and Barbuda, in September, during 23.3 rainfall days, 88mm (3.46") of precipitation is typically accumulated.

What is the month with the warmest sea water in Cedar Grove?

The month with the warmest seawater in Cedar Grove, Antigua and Barbuda, is September, with an average sea temperature of 29°C (84.2°F).

How warm is the water in September in Cedar Grove?

In September, the average sea temperature in Cedar Grove, Antigua and Barbuda, 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.

What is the average length of the day in September in Cedar Grove?

In Cedar Grove, the average day length in September is 12h and 14min.

What time are sunrise and sunset in September in Cedar Grove?

On the first day of September, 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 17:57 AST.

What is the month with the most sunshine in Cedar Grove?

April, August and September, with an average of 10.3h of sunshine, are months with the most sunshine in Cedar Grove, Antigua and Barbuda.

How many hours of sunshine does Cedar Grove have in September?

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

What are the months with the highest UV index in Cedar Grove?

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

What is the month with the lowest UV index in Cedar Grove?

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

What is the UV index reading in September in Cedar Grove?

In September, the average daily maximum UV index in Cedar Grove, Antigua and Barbuda, is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Cedar Grove, Antigua and Barbuda

Average temperature in September - Cedar Grove, 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).

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Average pressure in September
Cedar Grove, Antigua and Barbuda

Average pressure in September - Cedar Grove, 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).

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Average wind speed in September
Cedar Grove, Antigua and Barbuda

Average wind speed in September - Cedar Grove, 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).

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Average humidity in September
Cedar Grove, Antigua and Barbuda

Average humidity in September - Cedar Grove, 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%).

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Average rainfall in September
Cedar Grove, Antigua and Barbuda

Average rainfall in September - Cedar Grove, 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).

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Average rainfall days in September
Cedar Grove, Antigua and Barbuda

Average rainfall days in September - Cedar Grove, 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).

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Average sea temperature in September
Cedar Grove, Antigua and Barbuda

Average sea temperature in September - Cedar Grove, 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).

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Average daylight in September /
Average sunshine in September
Cedar Grove, Antigua and Barbuda

Average daylight in September / Average sunshine in September - Cedar Grove, Antigua and Barbuda
  • Average daylight in September: 12h and 14min

The month with the longest days is June (Average daylight: 13h and 8min).
The month with the shortest days is December (Average daylight: 11h and 8min).

  • Average sunshine in September: 10h and 18min

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).

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Average sunshine days in September
Cedar Grove, Antigua and Barbuda

Average sunshine days in September - Cedar Grove, 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).

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Average UV index in September
Cedar Grove, Antigua and Barbuda

Average UV index in September - Cedar Grove, 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).

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Average cloud cover in September
Cedar Grove, Antigua and Barbuda

Average cloud cover in September - Cedar Grove, 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).

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Average visibility in September
Cedar Grove, Antigua and Barbuda

Average visibility in September - Cedar Grove, 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).

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