September weather forecastSaint George's, Grenada

Weather in September

September replicates previous months' pattern, known for high rainfall and warm weather in Saint George's. While daytime temperatures remain high, evenings offer a refreshing break from the heat. The island maintains its lush green appearance thanks to the continued precipitation. September's standout feature is high rainfall of 273mm (10.75"), majorly contributing to the seasonal weather pattern of the region. Consequently, travelers should expect tropical showers jazzing up their otherwise sunny day experiences.

Temperature

The peak of Saint George's's temperatures is noted during April, May and September, averaging a high-temperature of 30°C (86°F).

Rainfall

In September, in Saint George's, the rain falls for 17 days. Throughout September, 273mm (10.75") of precipitation is accumulated. Throughout the year, there are 180 rainfall days, and 1451mm (57.13") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 29.6°C (85.3°F), September is the month with the warmest seawater.
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

In September, the average length of the day 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 Saint George's, sunrise is at 05:55 and sunset at 17:57 AST.

Sunshine

The months with the least sunshine in Saint George's are June, July, September through December, with an average of 7h of sunshine.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index in Saint George's, Grenada. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a regular UV index of 12 translates into these guidelines:
Take all necessary precautions, as unprotected skin can burn in minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Even on overcast days, ensure the application and frequent reapplication of sunscreen with at least an SPF 30, especially post swim or outdoor exercise. Alert! Sand and water increase UV exposure due to their reflective properties.