Grenada Weather in September
Grenada in September sees high temperatures, with highs around 30°C (86°F) and overnight lows of 27°C (81°F). Rainfall is fairly high at around 159 mm (6.3 in) on average, so pack waterproofs just in case.
Rainfall in Grenada in September
Rain is expected on roughly 18 days, totalling around 159 mm (6.3 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Grenada in September
Daytime temperatures in Grenada reach 30°C (86°F) in September, dropping to 27°C (81°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Grenada in September
The city usually sees around 240 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Average water temperature in September
With water at 29°C (84°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.September in Grenada has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Grenada's climate page.
Grenada Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F)
Chance of Rain
59%
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 Grenada 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 Grenada in September
Browse day-by-day weather records for Grenada spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grenada historical weather extremes in September
According to our 20 years of weather records for Grenada, the following extremes were recorded between 2005 and 2025.
- The hottest September day on record in Grenada reached 34°C (93°F) (September 15, 2020).
- On September 9, 2010, Grenada saw its coldest September day with temperatures maxing out at 27°C (81°F).
- The lowest overnight temperature recorded in September was 20°C (68°F) (September 15, 2014).
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 →
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What to Wear in Grenada 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! Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Grenada 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 Grenada's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Grenada climate overview or explore weather in Grenada.
