September weather forecast
Bentleys, Barbados

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Weather in September

September in Bentleys signifies a shift towards the tail end of summer. The city sees a decline in rainfall, both in terms of volume and frequency of wet days. Falling temperatures and sunlight hours subtly hint at the approaching autumn. The hallmark of this month is the reduced wind speed, dropping to an average of 19.4km/h (12.1mph). While other parameters like relative humidity, atmospheric pressure, and cloud cover experience minimal changes, the UV index remains uniformly high, emphasizing the need to stay sun-safe.

Temperature

Bentleys's warmest period falls in September and October, when the average high-temperatures ascend to 28.9°C (84°F).

Heat index

September's mean heat index is estimated at a hot 33°C (91.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as '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. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Bentleys, in September, it is raining for 22.2 days, with typically 103mm (4.06") of accumulated precipitation. Throughout the year, there are 233.8 rainfall days, and 706mm (27.8") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 12min.
On the first day of September, sunrise is at 05:46 and sunset at 18:08. On the last day of the month, sunrise is at 05:47 and sunset at 17:48 AST.

Sunshine

In Bentleys, the average sunshine in September is 9.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bentleys. 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 vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What time of the year is the hottest in Bentleys?

Bentleys's peak temperatures tend to occur in September and October, with an average high-temperature of 28.9°C (84°F).

How hot does it get in Bentleys in September?

The high-temperature in Bentleys, Barbados, during September is 28.9°C (84°F) and the low-temperature is 27.7°C (81.9°F). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 33°C (91.4°F).

What is the average humidity in September in Bentleys?

The average relative humidity in September in Bentleys is 75%.

How much does it rain in Bentleys in September?

In September, in Bentleys, Barbados, the rain falls for 22.2 days. Throughout September, 103mm (4.06") of precipitation is accumulated.

How many hours of daylight does Bentleys have in September?

In September, the average day length in Bentleys is 12h and 12min.

What time are sunrise and sunset in September in Bentleys?

On the first day of September, sunrise is at 05:46 and sunset at 18:08. On the last day of the month, sunrise is at 05:47 and sunset at 17:48 AST.

How many hours of sunshine does Bentleys have in September?

In September, the average sunshine duration is 9.4h.

What is the month with the highest UV index in Bentleys?

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

When is the lowest UV index in Bentleys?

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

What is the UV index reading in September in Bentleys?

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Bentleys, Barbados

Average temperature in September - Bentleys, Barbados
  • Average high temperature in September: 28.9°C

The warmest months (with the highest average high temperature) are September and October (28.9°C).
The month with the lowest average high temperature is February (26.8°C).

  • Average low temperature in September: 27.7°C

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

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Average pressure in September
Bentleys, Barbados

Average pressure in September - Bentleys, Barbados
  • Average pressure in September: 1012.5mbar

The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

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Average wind speed in September
Bentleys, Barbados

Average wind speed in September - Bentleys, Barbados
  • Average wind speed in September: 19.4km/h

The windiest months (with the highest average wind speed) are January and February (28.3km/h).
The calmest month (with the lowest average wind speed) is September (19.4km/h).

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Average humidity in September
Bentleys, Barbados

Average humidity in September - Bentleys, Barbados
  • Average humidity in September: 75%

The months with the highest relative humidity are June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).

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Average rainfall in September
Bentleys, Barbados

Average rainfall in September - Bentleys, Barbados
  • Average rainfall in September: 103mm

The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is February (13mm).

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Average rainfall days in September
Bentleys, Barbados

Average rainfall days in September - Bentleys, Barbados
  • Average rainfall days in September: 22.2 days

The month with the highest number of rainy days is July (26.3 days).
The month with the least rainy days is February (11.3 days).

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Average daylight in September /
Average sunshine in September
Bentleys, Barbados

Average daylight in September / Average sunshine in September - Bentleys, Barbados
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in September
Bentleys, Barbados

Average sunshine days in September - Bentleys, Barbados
  • Average sunshine days in September: 5.5 days

The month with the most sunshine days is February (14.3 days).
The month with the least sunshine days is July (1.3 days).

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Average UV index in September
Bentleys, Barbados

Average UV index in September - Bentleys, Barbados
  • 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
Bentleys, Barbados

Average cloud cover in September - Bentleys, Barbados
  • Average cloud cover in September: 39

The month with the most cloud cover is June (Cloud cover 49).
The months with the least cloud cover are January and February (Cloud cover 37).

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Average visibility in September
Bentleys, Barbados

Average visibility in September - Bentleys, Barbados
  • 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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Bentleys, Barbados

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