September weather forecastCalivigny, Grenada
September
Weather in September
As September arrives, Calivigny, Grenada, begins to move out from the peak of the rainy season. Although still a wet month with 78mm (3.07") of rainfall on average, it does demonstrate a 20mm (0.79") decrease from August when considering the volume of rain. Temperatures continue to hold within the high 28°C (82.4°F) range, peaking at 28.8°C (83.8°F). Simultaneously, the weather sees some changes, with a decrease in wind speed to an annual low of 21.5km/h (13.4mph). However, despite the rainy conditions, sunlight hours remain ample, leaning towards clear afternoons.Temperature
Peak temperatures are observed 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 evaluated at a hot 33°C (91.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
February and September, with an average relative humidity of 76%, are the least humid months.Rainfall
In Calivigny, during September, the rain falls for 20.4 days and regularly aggregates up to 78mm (3.07") of precipitation. Throughout the year, there are 232 rainfall days, and 739mm (29.09") 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 05:56 and sunset at 18:16. On the last day of September, sunrise is at 05:55 and sunset at 17:57 AST.
Sunshine
August and September, with an average of 10.6h 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. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Calivigny, 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
Calivigny, 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
Calivigny, 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
Calivigny, 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
Calivigny, 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
Calivigny, 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
Calivigny, Grenada
- Average daylight in September: 12h and 12min
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 36min
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
Calivigny, 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
Calivigny, 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
Calivigny, 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
Calivigny, 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).
