September weather forecast
Blades, Barbados

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Weather in September

September witnesses a significant shift in Blades' weather conditions. The city experiences a noticeable decline in rainfall quantity to 103mm (4.06"). Temperatures and wind speeds drop steadily giving a sense of the impending seasonal change. The decrease in rainfall accompanies the shrinkage of cloud coverage, returning longer sunshine durations. As September winds down, the transition from the rainy to dry season becomes more pronounced with each passing day.

Temperature

In Blades, the months of September and October are known for the peak temperatures, reaching an average high of 28.9°C (84°F).

Heat index

The heat index for September is calculated to be a tropical 33°C (91.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in September is 75%.

Rainfall

In September, in Blades, the rain falls for 22.2 days. Throughout September, 103mm (4.06") of precipitation is accumulated. Throughout the year, in Blades, there are 233.8 rainfall days, and 706mm (27.8") of precipitation is accumulated.

Daylight

In September, the average length of the day in Blades 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

The average sunshine in September is 9.4h.

UV index

The months with the highest UV index in Blades are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 7 in September translates into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What part of the year is the hottest in Blades?

The height of temperatures in Blades is seen during September and October, averaging a high-temperature of 28.9°C (84°F).

How hot does it get in Blades in September?

The high-temperature, in September, in Blades, records 28.9°C (84°F), while the low-temperature is 27.7°C (81.9°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 33°C (91.4°F).

What is the average humidity in September in Blades?

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

How much does it rain in Blades in September?

In Blades, in September, it is raining for 22.2 days, with typically 103mm (4.06") of accumulated precipitation.

How many hours of daylight does Blades have in September?

The average day length in September in Blades is 12h and 12min.

When is the sunrise / sunset in September in Blades?

On the first day of September in Blades, 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 long on average sun shines in September in Blades?

The average sunshine duration in September in Blades, Barbados, is 9.4h.

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

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

When is the lowest UV index in Blades?

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

How high is the UV index in September in Blades?

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in September
Blades, Barbados

Average temperature in September - Blades, 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
Blades, Barbados

Average pressure in September - Blades, 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
Blades, Barbados

Average wind speed in September - Blades, 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
Blades, Barbados

Average humidity in September - Blades, 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
Blades, Barbados

Average rainfall in September - Blades, 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
Blades, Barbados

Average rainfall days in September - Blades, 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
Blades, Barbados

Average daylight in September / Average sunshine in September - Blades, 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
Blades, Barbados

Average sunshine days in September - Blades, 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
Blades, Barbados

Average UV index in September - Blades, 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
Blades, Barbados

Average cloud cover in September - Blades, 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
Blades, Barbados

Average visibility in September - Blades, 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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Blades, Barbados

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