Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September brings the highest temperatures, with an average high of 28.8°C (83.8°F) and an average low of 27.9°C (82.2°F).Heat index
For September, the heat index is estimated at a hot 33°C (91.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The least humid month is September, with an average relative humidity of 76%.Rainfall
In Black Rock, in September, during 23.3 rainfall days, 115mm (4.53") of precipitation is typically accumulated. Throughout the year, there are 282.6 rainfall days, and 1136mm (44.72") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 11min.On the first day of September in Black Rock, sunrise is at 05:53 and sunset at 18:12. On the last day of the month, sunrise is at 05:51 and sunset at 17:53 AST.
Sunshine
In September, the average sunshine in Black Rock is 10.3h.UV index
The months with the highest UV index in Black Rock 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 of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 7 transforms into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Black Rock?
Is it hot in Black Rock during September?
What is the least humid month in Black Rock?
What is the average humidity in September in Black Rock?
How much does it rain in Black Rock in September?
What is the average length of the day in September in Black Rock?
What time are sunrise and sunset in September in Black Rock?
How many hours of sunshine does Black Rock have in September?
When is the highest UV index in Black Rock?
What is the month with the lowest UV index in Black Rock?
What is the UV index reading in September in Black Rock?
Average temperature in September
Black Rock, Trinidad and Tobago
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in September: 27.9°C
The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in September
Black Rock, Trinidad and Tobago
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is June (1013.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Black Rock, Trinidad and Tobago
- Average wind speed in September: 20.3km/h
The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (20.3km/h).
Average humidity in September
Black Rock, Trinidad and Tobago
- Average humidity in September: 76%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is September (76%).
Average rainfall in September
Black Rock, Trinidad and Tobago
- Average rainfall in September: 115mm
The wettest month (with the highest rainfall) is October (150mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in September
Black Rock, Trinidad and Tobago
- Average rainfall days in September: 23.3 days
The month with the highest number of rainy days is July (27.5 days).
The month with the least rainy days is April (18.7 days).
Average daylight in September /
Average sunshine in September
Black Rock, Trinidad and Tobago
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Black Rock, Trinidad and Tobago
- Average sunshine days in September: 5 days
The months with the most sunshine days are February and April (5.2 days).
The month with the least sunshine days is June (2 days).
Average UV index in September
Black Rock, 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
Black Rock, Trinidad and Tobago
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in September
Black Rock, 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).
