Morne Rouge Weather in September
Morne Rouge in September sees high daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is fairly high this month at around 159 mm (6.3 in), so pack a rain jacket to stay dry.
Rainfall in Morne Rouge in September
Expect around 18 days of rain based on historical data, with 159 mm (6.3 in) average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Morne Rouge in September
September in Morne Rouge brings high temperatures, with highs of 30°C (86°F) and nights around 27°C (81°F). This kind of day-to-night contrast is typical for this time of year. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Morne Rouge in September
Expect a lot of sunshine this month, with about 240 hours of sun. These sunny conditions add to the overall experience.
Average water temperature in September
At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Morne Rouge. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Grenada, check out our Morne Rouge's climate page.
Morne Rouge Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
58%
Precipitation
159 mm (6.3 in)
Rainy days
18 days
Sunshine
240 hours *
Percentage Sunshine
*
Daily Historical Temperatures
38-year average (1979-2025)
Based on our historical records, temperatures in Morne Rouge typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Historical weather for Morne Rouge in September
Browse day-by-day weather records for Morne Rouge spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Morne Rouge historical weather extremes in September
According to our 20 years of weather records for Morne Rouge, the following extremes were recorded between 2005 and 2025.
- The hottest September day on record in Morne Rouge reached 33°C (91°F) (September 10, 2009).
- The coldest September day was on September 9, 2010, with a maximum of 27°C (81°F).
- The coldest night in September in Morne Rouge was on September 15, 2014, with a minimum of 20°C (68°F).
Best Places in Grenada in September
Find out more about the weather in Grenada and which places have the best travel conditions in this month. See all of Grenada in September →
perfect weather
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unpleasant
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What to Wear in Morne Rouge in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Morne Rouge in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Grenada, check out our Morne Rouge's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Morne Rouge climate overview or explore weather in Grenada.
