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
Weather in September
Temperature
The yearly peak temperatures in Grand Roy occur in September and October, averaging a high-temperature of 28.8°C (83.8°F).Heat index
For most parts of September, the heat index is appraised at a tropical 33°C (91.4°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
February and September, with an average relative humidity of 76%, are the least humid months in Grand Roy.Rainfall
In Grand Roy, during September, the rain falls for 20.4 days and regularly aggregates up to 78mm (3.07") of precipitation. In Grand Roy, during the entire year, the rain falls for 232 days and collects up to 739mm (29.09") of precipitation.Daylight
In Grand Roy, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 05:56 and sunset at 18:17. On the last day of September, sunrise is at 05:55 and sunset at 17:57 AST.
Sunshine
The months with the most sunshine in Grand Roy are August and September, with an average of 10.6h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Grand Roy, Grenada, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 7 in September suggests the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What month is the hottest in Grand Roy?
How hot is September in Grand Roy?
What are the least humid months in Grand Roy?
What is the average humidity in September in Grand Roy?
How much does it rain in Grand Roy in September?
What is the average length of the day in September in Grand Roy?
When is the sunrise / sunset in September in Grand Roy?
What are the months with the most sunshine in Grand Roy?
How many hours of sunshine does Grand Roy have in September?
When is the highest UV index in Grand Roy?
What are the months with the lowest UV index in Grand Roy?
What is the UV index reading in September in Grand Roy?
Average temperature in September
Grand Roy, Grenada
- Average high temperature in September: 28.8°C
The warmest months (with the highest average high temperature) are September and October (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in September: 28.1°C
The month with the highest average low temperature is September (28.1°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in September
Grand Roy, Grenada
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is June (1014.2mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Grand Roy, Grenada
- Average wind speed in September: 21.5km/h
The windiest month (with the highest average wind speed) is February (29.4km/h).
The calmest month (with the lowest average wind speed) is September (21.5km/h).
Average humidity in September
Grand Roy, Grenada
- Average humidity in September: 76%
The months with the highest relative humidity are May, June and July (79%).
The months with the lowest relative humidity are February and September (76%).
Average rainfall in September
Grand Roy, Grenada
- Average rainfall in September: 78mm
The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Grand Roy, Grenada
- Average rainfall days in September: 20.4 days
The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is April (14.8 days).
Average daylight in September /
Average sunshine in September
Grand Roy, Grenada
- 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 24min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are August and September (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Grand Roy, Grenada
- Average sunshine days in September: 7.5 days
The months with the most sunshine days are April and October (9.2 days).
The month with the least sunshine days is July (4.6 days).
Average UV index in September
Grand Roy, Grenada
- 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
Grand Roy, Grenada
- Average cloud cover in September: 35
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in September
Grand Roy, Grenada
- 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).
Grand Roy, Grenada
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