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
With average high and low temperatures of 30.5°C (86.9°F) and 26.5°C (79.7°F) respectively, September is Saint Joseph's warmest month.Heat index
The average heat index in September is computed to be a torrid 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in September in Saint Joseph is 76%.Rainfall
In Saint Joseph, during September, the rain falls for 18.8 days and regularly aggregates up to 61mm (2.4") of precipitation. In Saint Joseph, 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 is 12h and 11min.On the first day of September in Saint Joseph, 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.
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 Saint Joseph 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 health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest in Saint Joseph?
How hot is September in Saint Joseph?
What is the average humidity in September in Saint Joseph?
How much does it rain in Saint Joseph in September?
What is the average length of the day in September in Saint Joseph?
When is the sunrise / sunset in September in Saint Joseph?
What is the month with the most sunshine in Saint Joseph?
How long on average sun shines in September in Saint Joseph?
What are the months with the highest UV index in Saint Joseph?
What are the months with the lowest UV index in Saint Joseph?
How high is the UV index in September in Saint Joseph?
Average temperature in September
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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
Saint Joseph, 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).
