September · Grenada
Best time to visit St. George's in September Weather, crowds & prices
Weather in St. George's in September
Average temperature 29°C, 98 mm of rain, about 29 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.7/10
Ranked #7 of 12 months
- Avg temp
- 29°C
- Rainfall
- 98 mm
- Humidity
- 78%
- Days with 6h+ sun
- 29
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in St. George's scores 4.7/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 29°C, 98 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Saint George's curves around a horseshoe harbour on Grenada, with Grand Anse beach just south.
September in St. George's — the hardest end of the year
September averages 29°C (85°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 98 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 12.1 hours of daylight.
It scores 4.7/10 here, 7th of 12 months, against 7.3/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 2.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in St. George's in September?
- In September, St. George's averages 29°C, 98 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 4.7/10.
- Is September a good time to visit St. George's?
- September earns a 4.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in St. George's in September?
- Expect about 98 mm of rain in September. Average humidity is 78% and there are about 29 days with 6+ hours of sunshine.
Curated in St. George's
Tickets & experiences
Things to do in St. George's
St. George's, Grenada. Live activities and tours from GetYourGuide, matched to this destination.