September weather forecast
Mardigras, Grenada

September

Weather in September

September, the first month of the autumn in Mardigras, is also a moderately hot month, with an average temperature ranging between max 28.8°C (83.8°F) and min 28.1°C (82.6°F).

Temperature

September and October are known as Mardigras's warmest months, with an average high-temperature of 28.8°C (83.8°F).

Heat index

In September, the heat index is computed to be a tropical 33°C (91.4°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
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. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

The months with the lowest humidity are February and September, with an average relative humidity of 76%.

Rainfall

In Mardigras, during September, the rain falls for 20.4 days and regularly aggregates up to 78mm (3.07") of precipitation. Throughout the year, in Mardigras, there are 232 rainfall days, and 739mm (29.09") of precipitation is accumulated.

Daylight

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 18:16. On the last day of the month, sunrise is at 05:55 and sunset at 17:57 AST.

Sunshine

The months with the most sunshine are August and September, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index in Mardigras 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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the hottest time of year in Mardigras?
The months of September and October are noted for their peak temperatures in Mardigras, with an average high-temperature of 28.8°C (83.8°F).
How hot does it get in Mardigras in September?
September temperatures in Mardigras vary between a high-temperature of 28.8°C (83.8°F) and a low-temperature of 28.1°C (82.6°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 33°C (91.4°F).
What are the least humid months in Mardigras?
The months with the lowest humidity in Mardigras are February and September, with an average relative humidity of 76%.
What is the average humidity in September in Mardigras?
The average relative humidity in September in Mardigras, Grenada, is 76%.
How much does it rain in Mardigras in September?
In Mardigras, during September, the rain falls for 20.4 days and regularly aggregates up to 78mm (3.07") of precipitation.
How many hours of daylight does Mardigras have in September?
In Mardigras, Grenada, the average day length in September is 12h and 11min.
When is the sunrise / sunset in September in Mardigras?
In September, on the first day of the month, sunrise is at 05:56 and sunset at 18:16. On the last day of the month, in Mardigras, Grenada, sunrise is at 05:55 and sunset at 17:57 AST.
What is the month with the most sunshine in Mardigras?
August and September, with an average of 10.6h of sunshine, are months with the most sunshine in Mardigras, Grenada.
How long on average sun shines in September in Mardigras?
In September, the average sunshine duration in Mardigras is 10.6h.
When is the highest UV index in Mardigras?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the month with the lowest UV index in Mardigras?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Mardigras.
What is the UV index reading in September in Mardigras?
In Mardigras, Grenada, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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
Mardigras, 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).

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