September weather forecast
Agostini, Trinidad and Tobago

September

Weather in September

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

Temperature

Agostini's September weather reaches an average high of 30.5°C (86.9°F) and an average low of 26.5°C (79.7°F), making it the warmest month.

Heat index

The heat index in September is computed to be a very hot 38°C (100.4°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In September, the rain falls for 18.8 days. Throughout September, 61mm (2.4") of precipitation is accumulated. Throughout the year, there are 202.6 rainfall days, and 599mm (23.58") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 11min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:14. On the last day of September, sunrise is at 05:54 and sunset at 17:56 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 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 estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a regular UV index of 7 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What time of the year is the hottest?
Agostini's warmest weather arrives in September, when temperatures average a high of 30.5°C (86.9°F) and a low of 26.5°C (79.7°F).
How hot is 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. In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 38°C (100.4°F).
What is the average humidity in September?
In September, the average relative humidity is 76%.
How many days does it rain in September?
In Agostini, during September, the rain falls for 18.8 days and regularly aggregates up to 61mm (2.4") of precipitation.
What is the average length of the day in September in Agostini?
In September, the average day length is 12h and 11min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 05:55 and sunset at 18:14. On the last day of the month, sunrise is at 05:54 and sunset at 17:56 AST.
What is the month with the most sunshine?
The months with the most sunshine in Agostini are August and September, with an average of 11.1h of sunshine.
How many hours of sunshine does Agostini have in September?
The average sunshine duration in September is 11.1h.
What is the month with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
When is the lowest UV index?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
How high is the UV index in September?
In Agostini, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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 - Agostini, Trinidad and Tobago
Average temperature in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average pressure in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average wind speed in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average humidity in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average rainfall in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average rainfall days in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average daylight in September /
Average sunshine in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average sunshine days in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average UV index in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average cloud cover in September
Agostini, 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 - Agostini, Trinidad and Tobago
Average visibility in September
Agostini, 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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