September weather forecast
Guapo, Trinidad and Tobago

September

Weather in September

The first month of the autumn, September, is still a tropical month in Guapo, Trinidad and Tobago, with an average temperature varying between 30.5°C (86.9°F) and 26.5°C (79.7°F).

Temperature

In Guapo, the peak average temperatures are observed in September, with 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 for September is computed to be a torrid 38°C (100.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in September is 76%.

Rainfall

In September, the rain falls for 18.8 days. Throughout September, 61mm (2.4") of precipitation is accumulated. In Guapo, during the entire year, the rain falls for 202.6 days and collects up to 599mm (23.58") of precipitation.

Daylight

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

Sunshine

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

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 value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What month is the hottest?
In Guapo, the peak average temperatures are observed in September, with a high of 30.5°C (86.9°F) and a low of 26.5°C (79.7°F).
How hot does it get in September?
The average high-temperature and low-temperature during September are 30.5°C (86.9°F) and 26.5°C (79.7°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 38°C (100.4°F).
What is the average humidity in September?
The average relative humidity in September is 76%.
How many days does it rain in September?
In Guapo, in September, it is raining for 18.8 days, with typically 61mm (2.4") of accumulated precipitation.
How many hours of daylight does Guapo have in September?
The average day length in September is 12h and 11min.
When are sunrise and sunset in September in Guapo?
In September, on the first day of the month, 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 are the months with the most sunshine?
August and September, with an average of 11.1h of sunshine, are months with the most sunshine.
How many hours of sunshine does Guapo have in September?
In September, the average sunshine duration is 11.1h.
What are the months with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
When is the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index intensity in September?
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
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 - Guapo, Trinidad and Tobago
Average temperature in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average pressure in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average wind speed in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average humidity in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average rainfall in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average rainfall days in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average daylight in September /
Average sunshine in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average sunshine days in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average UV index in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average cloud cover in September
Guapo, 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 - Guapo, Trinidad and Tobago
Average visibility in September
Guapo, 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).

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