September weather forecast
Iere, Trinidad and Tobago

September

Weather in September

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

Temperature

In Iere, 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

For September, the heat index is estimated at a very hot 38°C (100.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

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

Rainfall

In Iere, in September, during 18.8 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, there are 202.6 rainfall days, and 599mm (23.58") of precipitation is accumulated.

Daylight

The average length of the day in September in Iere is 12h and 11min.
On the first day of September, sunrise is at 05:56 and sunset at 18:14. On the last day of the month, sunrise is at 05:54 and sunset at 17:56 AST.

Sunshine

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

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Iere. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Iere, Trinidad and Tobago. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What is the hottest time of year in Iere?
In Iere, September is the warmest month, with temperatures averaging a high of 30.5°C (86.9°F) and a low of 26.5°C (79.7°F).
Is it hot in Iere during September?
In Iere, in September, the average high-temperature is 30.5°C (86.9°F), and the average low-temperature is 26.5°C (79.7°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 38°C (100.4°F).
What is the average humidity in September in Iere?
The average relative humidity in September in Iere is 76%.
How many days does it rain in September in Iere?
In Iere, Trinidad and Tobago, 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 Iere?
In Iere, Trinidad and Tobago, the average day length in September is 12h and 11min.
When is the sunrise / sunset in September in Iere?
On the first day of September in Iere, Trinidad and Tobago, sunrise is at 05:56 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 in Iere?
August and September, with an average of 11.1h of sunshine, are months with the most sunshine in Iere, Trinidad and Tobago.
How many hours of sunshine does Iere have in September?
In Iere, Trinidad and Tobago, the average sunshine duration in September is 11.1h.
What are the months with the highest UV index in Iere?
The months with the highest UV index in Iere, Trinidad and Tobago, are January through December, with an average maximum UV index of 7.
When is the lowest UV index in Iere?
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 in Iere?
In September, the average daily maximum UV index in Iere, Trinidad and Tobago, is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from 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 - Iere, Trinidad and Tobago
Average temperature in September
Iere, 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 - Iere, Trinidad and Tobago
Average pressure in September
Iere, 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 - Iere, Trinidad and Tobago
Average wind speed in September
Iere, 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 - Iere, Trinidad and Tobago
Average humidity in September
Iere, 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 - Iere, Trinidad and Tobago
Average rainfall in September
Iere, 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 - Iere, Trinidad and Tobago
Average rainfall days in September
Iere, 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 - Iere, Trinidad and Tobago
Average daylight in September /
Average sunshine in September
Iere, 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 - Iere, Trinidad and Tobago
Average sunshine days in September
Iere, 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 - Iere, Trinidad and Tobago
Average UV index in September
Iere, 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 - Iere, Trinidad and Tobago
Average cloud cover in September
Iere, 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 - Iere, Trinidad and Tobago
Average visibility in September
Iere, 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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