Non touristy areas in Grenada
Grenada is known for its beautiful beaches, mountain ridges, rum, spices, (fish) restaurants, National Parks and waterfalls. You can also do ideal diving and snorkelling around the islands
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.
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.
Pick a month to see the average temperature, rainfall and sunshine in Saint Georgeʼs - and find the best time to visit.
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).
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.
The extremes listed below come from historical weather data collected in Saint Georgeʼs from 2005 through 2026.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Water Temp
See the full Saint Georgeʼs climate overview or explore weather in Grenada.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Non touristy areas in Grenada
Grenada is known for its beautiful beaches, mountain ridges, rum, spices, (fish) restaurants, National Parks and waterfalls. You can also do ideal diving and snorkelling around the islands
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.