September weather forecastGrenville, Grenada
September
Weather in September
In September, the sea temperature remains warm, averaging at 29.6°C (85.3°F), which keeps the city buzzing with activities. September marks the gradual descent from summer to slightly cooler months. The charm of the town, alongside its picturesque landscapes, provides excellent conditions for landscape photography. September thus signifies the gentle transition from summer to the cooler seasons.Sea temperature
With an average sea temperature of 29.6°C (85.3°F), September is the month with the warmest seawater.Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.
Daylight
In September, the average length of the day in Grenville is 12h and 11min.On the first day of September in Grenville, sunrise is at 05:55 and sunset at 18:16. On the last day of the month, sunrise is at 05:55 and sunset at 17:57 AST.
Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
September is the month with the warmest seawater in Grenville, with an average sea temperature of 29.6°C (85.3°F).
In Grenville, Grenada, in September, the average water temperature is 29.6°C (85.3°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.
In September, the average day length is 12h and 11min.
On the first day of September, sunrise is at 05:55 and sunset at 18:16. On the last day of the month, sunrise is at 05:55 and sunset at 17:57 AST.
Average sea temperature in September
Grenville, Grenada
- Average sea temperature in September: 29.6°C
The best month for swimming (with the highest average sea temperature) is September (29.6°C).
The coldest month (with the lowest average sea temperature) is March (27.2°C).
Average daylight in September
Grenville, 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).





