September weather forecast
Collins, Barbados

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Weather in September

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

Temperature

Temperatures reach their maximum during September and October, recording an average high-temperature of 28.9°C (84°F).

Heat index

During September, the heat index is estimated at a tropical 33°C (91.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Note that heat index values are valued for light wind and location in the shade. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

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

Rainfall

In Collins, in September, during 22.2 rainfall days, 103mm (4.06") of precipitation is typically accumulated. In Collins, during the entire year, the rain falls for 233.8 days and collects up to 706mm (27.8") of precipitation.

Daylight

In Collins, the average length of the day in September is 12h and 12min.
On the first day of September in Collins, 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 17:48 AST.

Sunshine

In September, the average sunshine in Collins 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 7 transforms into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jan 29, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the hottest in Collins?

In Collins, September and October are characterised by the peak of temperatures, recording an average high of 28.9°C (84°F).

How hot does it get in Collins in September?

The high-temperature, in September, in Collins, is 28.9°C (84°F), while the low-temperature averages to 27.7°C (81.9°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 33°C (91.4°F).

What is the average humidity in September in Collins?

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

How many days does it rain in September in Collins?

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

What is the average length of the day in September in Collins?

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

When is the sunrise / sunset in September in Collins?

In September, on the first day of the month, 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 17:48 AST.

How long on average sun shines in September in Collins?

In September, the average sunshine duration is 9.4h.

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

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

What is the month with the lowest UV index in Collins?

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

How high is the UV index in September in Collins?

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

Average temperature in September
Collins, Barbados

Average temperature in September - Collins, 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
Collins, Barbados

Average pressure in September - Collins, 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
Collins, Barbados

Average wind speed in September - Collins, 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
Collins, Barbados

Average humidity in September - Collins, 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
Collins, Barbados

Average rainfall in September - Collins, 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
Collins, Barbados

Average rainfall days in September - Collins, 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
Collins, Barbados

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

Average sunshine days in September - Collins, 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
Collins, Barbados

Average UV index in September - Collins, 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
Collins, Barbados

Average cloud cover in September - Collins, 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
Collins, Barbados

Average visibility in September - Collins, 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).

Collins, Barbados

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