September weather forecastLance aux Epines, Grenada
September
Weather in September
The climate patterns in September show indications of a change in season with a shift towards autumn. While the rainfall slightly reduces from August, it continues to dominate the weather scene in Lance aux Epines, Grenada. Regardless of the weather circumstances, the spirit of Grenadians remains unfazed with preparations for the upcoming festival season. Shorter daylight hours gradually take over, signaling a move towards the year-end. The decline in rainfall to 78mm (3.07"), although minimal, begins to pave the way for drier months ahead.Temperature
Lance aux Epines sees the highest average temperatures during the months of September and October, peaking at 28.8°C (83.8°F).Heat index
The heat index value during September is evaluated at a tropical 33°C (91.4°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.One should consider that heat index numbers are for shaded settings and light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The months with the lowest humidity are February and September, with an average relative humidity of 76%.Rainfall
In Lance aux Epines, in September, during 20.4 rainfall days, 78mm (3.07") of precipitation is typically accumulated. In Lance aux Epines, during the entire year, the rain falls for 232 days and collects up to 739mm (29.09") of precipitation.Sea temperature
The months with the warmest seawater are September and October, with an average sea temperature of 29°C (84.2°F).Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.
Daylight
In Lance aux Epines, the average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 05:56 and sunset at 18:17. On the last day of the month, sunrise is at 05:56 and sunset at 17:57 AST.
Sunshine
August and September, with an average of 10.6h of sunshine, are months with the most sunshine in Lance aux Epines, Grenada.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Lance aux Epines. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lance aux Epines, 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
Lance aux Epines, 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
Lance aux Epines, 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
Lance aux Epines, 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
Lance aux Epines, 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
Lance aux Epines, 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 sea temperature in September
Lance aux Epines, Grenada
- Average sea temperature in September: 29°C
The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April and December (27°C).
Average daylight in September /
Average sunshine in September
Lance aux Epines, 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
Lance aux Epines, 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
Lance aux Epines, 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
Lance aux Epines, 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
Lance aux Epines, 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).





