September weather forecast
South District, Barbados

September

Weather in September

September, the first month of the autumn in South District, is still a warm month, with temperature in the range of an average low of 27.7°C (81.9°F) and an average high of 28.9°C (84°F).

Temperature

The warmest period falls in September and October, when the average high-temperature reaches 28.9°C (84°F).

Heat index

September's mean heat index is estimated at a tropical 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In South District, Barbados, during September, the rain falls for 22.2 days and regularly aggregates up to 103mm (4.06") of precipitation. Throughout the year, in South District, Barbados, there are 233.8 rainfall days, and 706mm (27.8") of precipitation is accumulated.

Daylight

The average length of the day in September in South District is 12h and 12min.
On the first day of September in South District, sunrise is at 05:47 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 September, the average sunshine is 9.4h.

UV index

The months with the highest UV index 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 value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What is the warmest month in South District?
September and October, when the average high-temperature in South District, Barbados, reaches 28.9°C (84°F), are the warmest months.
How hot does it get in South District in September?
In South District, 28.9°C (84°F) is the average high-temperature and 27.7°C (81.9°F) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 33°C (91.4°F).
What is the average humidity in September in South District?
The average relative humidity in September in South District is 75%.
How much does it rain in South District in September?
In South District, in September, it is raining for 22.2 days, with typically 103mm (4.06") of accumulated precipitation.
How many hours of daylight does South District have in September?
The average day length in September is 12h and 12min.
When is the sunrise / sunset in September in South District?
In September, on the first day of the month, sunrise is at 05:47 and sunset at 18:08. On the last day of the month, in South District, Barbados, sunrise is at 05:47 and sunset at 17:48 AST.
How long on average sun shines in September in South District?
In September, the average sunshine duration is 9.4h.
What is the month with the highest UV index in South District?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
What are the months with the lowest UV index in South District?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in South District, Barbados.
What is the UV index intensity in September in South District?
In South District, Barbados, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
South District, 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).

Average pressure in September
South District, 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).

Average wind speed in September
South District, 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).

Average humidity in September
South District, 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%).

Average rainfall in September
South District, 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).

Average rainfall days in September
South District, 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).

Average daylight in September /
Average sunshine in September
South District, 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).

Average sunshine days in September
South District, 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).

Average UV index in September
South District, 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).

Average cloud cover in September
South District, 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).

Average visibility in September
South District, 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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