September weather forecast
Morne Rouge, Grenada

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Weather in September

September brings a slight decrease in rainfall to Morne Rouge, Grenada, tallying to a total of 186mm (7.32"). Nonetheless, the daylight hours show a slight decline to 12 hours, thereby subtly initiating the onset of shorter days. The high UV index emphasizes the importance of protective wear when outdoors. Although the sea temperatures showcase a rise, the warm tropical waters keep their allure for water activities. Few changes are observed in the atmospheric temperatures, maintaining their tropical trademark.

Temperature

April through November, with an average high-temperature of 30°C (86°F), are marked as the warmest months.

Rainfall

In September, in Morne Rouge, the rain falls for 17 days. Throughout September, 186mm (7.32") of precipitation is accumulated. Throughout the year, in Morne Rouge, there are 180 rainfall days, and 1594mm (62.76") of precipitation is accumulated.

Sea temperature

The months with the warmest seawater are September and October, with an average sea temperature of 29°C (84.2°F).
Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

In Morne Rouge, 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, in Morne Rouge, sunrise is at 05:56 and sunset at 17:57 AST.

Sunshine

June, July, September through December, with an average of 7h of sunshine, are months with the least sunshine in Morne Rouge.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 12 in September transforms into the following instructions:
Undertake every vital safety procedure, as unprotected skin and eyes could sustain burns in no time. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. After every outdoor workout or swim, liberally apply and frequently reapply a broad-spectrum SPF 30+ sunscreen. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
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Frequently asked questions

What are the warmest months in Morne Rouge?

Morne Rouge sees its peak of temperatures during April through November, with an average high-temperature of 30°C (86°F).

How hot is September in Morne Rouge?

The average high-temperature, in September, in Morne Rouge, is 30°C (86°F), while the average low-temperature is 23°C (73.4°F).

How many days does it rain in September in Morne Rouge?

In Morne Rouge, in September, during 17 rainfall days, 186mm (7.32") of precipitation is typically accumulated.

When is the sea warmest in Morne Rouge?

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.

How warm is the water in September in Morne Rouge?

In September, the average sea temperature in Morne Rouge is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in September in Morne Rouge?

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

What time are sunrise and sunset in September in Morne Rouge?

On the first day of September in Morne Rouge, Grenada, 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.

What are the months with the least sunshine in Morne Rouge?

The months with the least sunshine are June, July, September through December, with an average of 7h of sunshine.

How many hours of sunshine does Morne Rouge have in September?

In Morne Rouge, Grenada, the average sunshine duration in September is 7h.

When is the highest UV index in Morne Rouge?

February through September, with an average maximum UV index of 12, are months with the highest UV index in Morne Rouge.

What is the UV index intensity in September in Morne Rouge?

The average daily maximum UV index in September is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from exposure to Sun's UV rays.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Morne Rouge, Grenada

Average temperature in September - Morne Rouge, Grenada
  • Average high temperature in September: 30°C

The warmest months (with the highest average high temperature) are April, May, June, July, August, September, October and November (30°C).
The months with the lowest average high temperature are January, February, March and December (29°C).

  • Average low temperature in September: 23°C

The months with the highest average low temperature are May, June, July, August, September and October (23°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (21°C).

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Average rainfall in September
Morne Rouge, Grenada

Average rainfall in September - Morne Rouge, Grenada
  • Average rainfall in September: 186mm

The wettest month (with the highest rainfall) is October (207mm).
The driest month (with the least rainfall) is February (57mm).

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Average rainfall days in September
Morne Rouge, Grenada

Average rainfall days in September - Morne Rouge, Grenada
  • Average rainfall days in September: 17 days

The months with the highest number of rainy days are July and November (20 days).
The month with the least rainy days is April (7 days).

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Average sea temperature in September
Morne Rouge, Grenada

Average sea temperature in September - Morne Rouge, 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).

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Average daylight in September /
Average sunshine in September
Morne Rouge, Grenada

Average daylight in September / Average sunshine in September - Morne Rouge, 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: 7h

The months with the most sunshine are January, February, March, April, May and August (Average sunshine: 8h).
The months with the least sunshine are June, July, September, October, November and December (Average sunshine: 7h).

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Average UV index in September
Morne Rouge, Grenada

Average UV index in September - Morne Rouge, Grenada
  • Average UV index in September: 12

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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Morne Rouge, Grenada

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