September weather forecast
La Brea, Trinidad and Tobago

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Weather in September

September signifies subtle changes in weather patterns compared to previous wet months in La Brea. The transition into this month reflects a drop in humidity levels with less frequent rain showers. There's a noticeable reduction in rainfall to 61mm (2.4"), indicating the setting in of the dryer season. Longer sunshine durations and consistent wind speed maintain the vibrant and comfortable weather. Heading into October, the expectation leans towards lower precipitation levels and maintained warmth.

Temperature

The warmest time of the year in La Brea is September, with temperatures averaging a high of 30.5°C (86.9°F) and a low of 26.5°C (79.7°F).

Heat index

The heat index value during September is calculated to be a fiery hot 38°C (100.4°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Consider that heat index readings are for situations in the shade and light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In La Brea, the average relative humidity in September is 76%.

Rainfall

In La Brea, during September, the rain falls for 18.8 days and regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, in La Brea, Trinidad and Tobago, there are 202.6 rainfall days, and 599mm (23.58") of precipitation is accumulated.

Daylight

The average length of the day in September in La Brea is 12h and 11min.
On the first day of September, sunrise is at 05:57 and sunset at 18:15. On the last day of the month, sunrise is at 05:55 and sunset at 17:57 AST.

Sunshine

The months with the most sunshine are August and September, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index in La Brea, Trinidad and Tobago, are January through December, with an average maximum UV index of 7. The months with the lowest UV index in La Brea, Trinidad and Tobago, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

What time of the year is the hottest in La Brea?

September, recognised by an average high temperature of 30.5°C (86.9°F) and a low of 26.5°C (79.7°F), is La Brea's warmest month.

How hot does it get in La Brea in September?

September temperatures vary between a high-temperature of 30.5°C (86.9°F) and a low-temperature of 26.5°C (79.7°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 38°C (100.4°F).

What is the average humidity in September in La Brea?

In September, the average relative humidity is 76%.

How many days does it rain in September in La Brea?

In La Brea, Trinidad and Tobago, in September, during 18.8 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

What is the average length of the day in September in La Brea?

The average day length in September is 12h and 11min.

When is the sunrise / sunset in September in La Brea?

On the first day of September in La Brea, Trinidad and Tobago, sunrise is at 05:57 and sunset at 18:15. On the last day of the month, sunrise is at 05:55 and sunset at 17:57 AST.

What is the month with the most sunshine in La Brea?

The months with the most sunshine in La Brea, Trinidad and Tobago, are August and September, with an average of 11.1h of sunshine.

How many hours of sunshine does La Brea have in September?

In La Brea, Trinidad and Tobago, the average sunshine duration in September is 11.1h.

When is the highest UV index in La Brea?

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

What is the month with the lowest UV index in La Brea?

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

What is the UV index intensity in September in La Brea?

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

Average temperature in September
La Brea, Trinidad and Tobago

Average temperature in September - La Brea, Trinidad and Tobago
  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is September (30.5°C).
The month with the lowest average high temperature is January (28.2°C).

  • Average low temperature in September: 26.5°C

The months with the highest average low temperature are September and October (26.5°C).
The coldest month (with the lowest average low temperature) is February (24.7°C).

Average pressure in September
La Brea, Trinidad and Tobago

Average pressure in September - La Brea, Trinidad and Tobago
  • Average pressure in September: 1011.8mbar

The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in September
La Brea, Trinidad and Tobago

Average wind speed in September - La Brea, Trinidad and Tobago
  • Average wind speed in September: 13.2km/h

The windiest month (with the highest average wind speed) is May (17km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).

Average humidity in September
La Brea, Trinidad and Tobago

Average humidity in September - La Brea, Trinidad and Tobago
  • Average humidity in September: 76%

The months with the highest relative humidity are July, November and December (78%).
The months with the lowest relative humidity are March and April (74%).

Average rainfall in September
La Brea, Trinidad and Tobago

Average rainfall in September - La Brea, Trinidad and Tobago
  • Average rainfall in September: 61mm

The wettest month (with the highest rainfall) is August (97mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
La Brea, Trinidad and Tobago

Average rainfall days in September - La Brea, Trinidad and Tobago
  • Average rainfall days in September: 18.8 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is April (11.6 days).

Average daylight in September /
Average sunshine in September
La Brea, Trinidad and Tobago

Average daylight in September / Average sunshine in September - La Brea, Trinidad and Tobago
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 11h and 1min

The months with the most sunshine are August and September (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in September
La Brea, Trinidad and Tobago

Average sunshine days in September - La Brea, Trinidad and Tobago
  • Average sunshine days in September: 8.6 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is July (5.6 days).

Average UV index in September
La Brea, Trinidad and Tobago

Average UV index in September - La Brea, Trinidad and Tobago
  • 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
La Brea, Trinidad and Tobago

Average cloud cover in September - La Brea, Trinidad and Tobago
  • Average cloud cover in September: 27

The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in September
La Brea, Trinidad and Tobago

Average visibility in September - La Brea, Trinidad and Tobago
  • 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).

La Brea, Trinidad and Tobago

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