St George's weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St George's in September. Check more long-term weather averages for St George's in September before you book your next holiday to Grenada in 2025/2026.

• 30
  30°C max day temperature
• 7
  7 hours of sunshine per day
• 17
  17 days with some rainfall
• 23
  23°C min night temperature
• 12
  12 hours of daylight per day
• H
  High heat & humidity
• 186
  186 mm of monthly rainfall
• 11
  11+ (Extreme) UV index
• 29
  29°C sea temperature

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The September weather guide for Grenada (St George's) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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St George's September sunrise & sunset times

Browse the sunrise and sunset times for St George's in September 2025. Select a month to view St George's sunrise and sunset times for the next 12 months.

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