September weather forecast
Calivigny, Grenada

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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

The temperature hits its peak in September and October, recording an average high-temperature of 28.8°C (83.8°F).

Heat index

Throughout September, the heat index is appraised at a hot 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

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

Rainfall

In September, in Calivigny, the rain falls for 20.4 days. Throughout September, 78mm (3.07") of precipitation is accumulated. In Calivigny, during the entire year, the rain falls for 232 days and collects up to 739mm (29.09") of precipitation.

Daylight

In Calivigny, the average length of the day in September is 12h and 11min.
On the first day of September in Calivigny, 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 in Calivigny 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 are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 7 during September translates into the following guidance:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Feb 9, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the hottest in Calivigny?

The months of September and October are noted for their peak temperatures in Calivigny, Grenada, with an average high-temperature of 28.8°C (83.8°F).

How hot is it in Calivigny in September?

The average high-temperature and low-temperature in Calivigny during September are 28.8°C (83.8°F) and 28.1°C (82.6°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 33°C (91.4°F).

What is the least humid month in Calivigny?

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

What is the average humidity in September in Calivigny?

The average relative humidity in September is 76%.

How many days does it rain in September in Calivigny?

In Calivigny, 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 Calivigny have in September?

The average day length in September is 12h and 11min.

When are sunrise and sunset in September in Calivigny?

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 Calivigny, sunrise is at 05:55 and sunset at 17:57 AST.

What are the months with the most sunshine in Calivigny?

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

How long on average sun shines in September in Calivigny?

In September, the average sunshine duration is 10.6h.

When is the highest UV index in Calivigny?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Calivigny, Grenada.

What are the months with the lowest UV index in Calivigny?

The months with the lowest UV index in Calivigny are January through December, with an average maximum UV index of 7.

What is the UV index intensity in September in Calivigny?

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Calivigny, Grenada

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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Calivigny, 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
Calivigny, Grenada

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 - 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 - 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 - 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).

Calivigny, Grenada

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