September weather forecast
Bridgetown, Barbados

The public promenade beside The Careenage in Bridgetown, Barbados
The public promenade beside The Careenage in Bridgetown, Barbados

Weather in September

The first month of the autumn, September, is still a warm month in Bridgetown, Barbados, with an average temperature fluctuating between 28.9°C (84°F) and 27.7°C (81.9°F).

Temperature

September and October, with an average high-temperature of 28.9°C (84°F), are the warmest months.

Heat index

In September, the average heat index is calculated to be a tropical 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, clothing, metabolic differences, and wind affect individual temperature impact. 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 especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Bridgetown, Barbados, 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.

Sea temperature

September is the month with the warmest seawater, with an average sea temperature of 29.4°C (84.9°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Bridgetown, the average length of the day in September is 12h and 12min.
On the first day of September in Bridgetown, sunrise is at 05:47 and sunset at 18:09. On the last day of the month, sunrise is at 05:47 and sunset at 17:49 AST.

Sunshine

The average sunshine in September in Bridgetown, Barbados, is 9.4h.

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 threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What are the warmest months in Bridgetown?

September and October, with an average high-temperature of 28.9°C (84°F), are warmest months in Bridgetown, Barbados.

What is the temperature in September in Bridgetown?

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

What is the average humidity in September in Bridgetown?

The average relative humidity in September is 75%.

How much does it rain in Bridgetown in September?

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

What month is the sea warmest in Bridgetown?

The month with the warmest seawater is September, with an average sea temperature of 29.4°C (84.9°F).

How warm is the water in September in Bridgetown?

In Bridgetown, Barbados, the average seawater temperature in September is 29.4°C (84.9°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Bridgetown have in September?

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

When are sunrise and sunset in September in Bridgetown?

On the first day of September, sunrise is at 05:47 and sunset at 18:09. On the last day of the month, sunrise is at 05:47 and sunset at 17:49 AST.

How long on average sun shines in September in Bridgetown?

In September, the average sunshine duration in Bridgetown, Barbados, is 9.4h.

When is the highest UV index in Bridgetown?

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

When is the lowest UV index in Bridgetown?

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

What is the UV index intensity in September in Bridgetown?

In Bridgetown, Barbados, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in September
Bridgetown, Barbados

Average temperature in September - Bridgetown, 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
Bridgetown, Barbados

Average pressure in September - Bridgetown, 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
Bridgetown, Barbados

Average wind speed in September - Bridgetown, 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
Bridgetown, Barbados

Average humidity in September - Bridgetown, 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
Bridgetown, Barbados

Average rainfall in September - Bridgetown, 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
Bridgetown, Barbados

Average rainfall days in September - Bridgetown, 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 sea temperature in September
Bridgetown, Barbados

Average sea temperature in September - Bridgetown, Barbados
  • Average sea temperature in September: 29.4°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest months (with the lowest average sea temperature) are February and March (27.1°C).

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

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

The month with the longest days is June (Average daylight: 12h and 53min).
The month with the shortest days is December (Average daylight: 11h and 22min).

  • Average sunshine in September: 9h and 24min

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
Bridgetown, Barbados

Average sunshine days in September - Bridgetown, 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
Bridgetown, Barbados

Average UV index in September - Bridgetown, 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
Bridgetown, Barbados

Average cloud cover in September - Bridgetown, 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
Bridgetown, Barbados

Average visibility in September - Bridgetown, 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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