Saint Georgeʼs Weather in September
September in Saint Georgeʼs brings high temperatures, with daytime highs of 30°C (86°F) and nights around 27°C (81°F). Quite a bit of rainfall is expected, around 159 mm (6.3 in), so pack an umbrella.
Rainfall in Saint Georgeʼs in September
Climate statistics over the past 30 years suggest around 18 days of rain, with 159 mm (6.3 in) average 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 Saint Georgeʼs in September
If you're visiting Saint Georgeʼs in September, expect highs of 30°C (86°F) and overnight lows around 27°C (81°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Sunshine in Saint Georgeʼs in September
The month enjoys around 240 hours of sunshine, creating mostly sunny days with good weather conditions.
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 Saint Georgeʼs has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Saint Georgeʼs's climate page.
Saint Georgeʼs 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 Saint Georgeʼs 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 Saint Georgeʼs in September
Browse day-by-day weather records for Saint Georgeʼs spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Georgeʼs historical weather extremes in September
The extremes listed below come from historical weather data collected in Saint Georgeʼs from 2005 through 2025.
- The warmest day in September was on September 10, 2009, with a maximum of 33°C (91°F).
- The coldest September day was on September 9, 2010, with a maximum of 27°C (81°F).
- Nighttime temperatures dropped to 20°C (68°F) on September 15, 2014, marking the coldest September night on record.
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
pleasant
tolerable
unpleasant
poor
What to Wear in Saint Georgeʼs 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Saint Georgeʼs 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 Saint Georgeʼs's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Saint Georgeʼs climate overview or explore weather in Grenada.
