September weather forecastMorne Rouge, Grenada

September

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

Temperatures in Morne Rouge reach their maximum during April through November, recording an average high-temperature of 30°C (86°F).

Rainfall

In Morne Rouge, in September, during 17 rainfall days, 186mm (7.32") of precipitation is typically accumulated. In Morne Rouge, during the entire year, the rain falls for 180 days and collects up to 1594mm (62.76") of precipitation.

Sea temperature

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.

Daylight

In September, the average length of the day in Morne Rouge, Grenada, 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, 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.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index in Morne Rouge, Grenada. A UV Index reading of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 12 in September interprets into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Regularly apply and reapply a broad-spectrum sunscreen with a minimum SPF 30 every two hours, or straight after swimming or an outdoor activity. Heads up! UV intensity is amplified by reflections from water and sand.

Frequently asked questions

During April through November, Morne Rouge registers its highest temperatures, averaging a high of 30°C (86°F).

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

In Morne Rouge, in September, it is raining for 17 days, with typically 186mm (7.32") of accumulated precipitation.

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

In September, the average sea temperature is 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

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

In September, on the first day of the month, 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.

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

The average sunshine duration in September is 7h.

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

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 the Sun's UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average UV index

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).

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).

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).

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).

Average daylight in September /
Average sunshine in September
Morne Rouge, 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: 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).

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).