September weather forecastEllerton, Barbados

September

Weather in September

September, the first month of the autumn in Ellerton, is still a warm month, with an average temperature ranging between min 27.7°C (81.9°F) and max 28.9°C (84°F).

Temperature

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

Heat index

Throughout September, the heat index is evaluated at a tropical 33°C (91.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In September, the average relative humidity is 75%.

Rainfall

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

Sunshine

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

UV index

The months with the highest UV index 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. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 in September translates into these instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.

Updated: Aug 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

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

Ellerton in September has an average high-temperature of 28.9°C (84°F) and an average low-temperature of 27.7°C (81.9°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 33°C (91.4°F).

In Ellerton, the average relative humidity in September is 75%.

In Ellerton, in September, during 22.2 rainfall days, 103mm (4.06") of precipitation is typically accumulated.

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

In September, on the first day of the month, 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.

The average sunshine duration in September is 9.4h.

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

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

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

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

28.8°C

28.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

23km/h

19.7km/h

22.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.7

5.5

6.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Ellerton, 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
Ellerton, 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
Ellerton, 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
Ellerton, 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
Ellerton, 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
Ellerton, 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
Ellerton, Barbados

Average daylight in September: 12h and 12min

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 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).

Average sunshine days in September
Ellerton, 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
Ellerton, 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
Ellerton, 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
Ellerton, 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).