Last updated: June 24, 2025
In September, the average temperature in Grenada, United States is a pleasant 25°C (78°F), with daytime highs reaching up to 38°C (101°F) and nighttime lows dipping to 12°C (54°F). Expect about 91 mm (3.6 in) of precipitation spread over 8 days, contributing to an average humidity of 74%. Perfect for enjoying outdoor activities with a hint of tropical charm!
In September in Grenada, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F), while minimums can drop to as low as 12°C (54°F). This makes Grenada an ideal destination for travelers seeking warm weather and diverse outdoor activities during this time.
In Grenada in September, the total precipitation amount is 91 mm (3.6 in) over the course of 8 days.
In Grenada in September humidity is 74%. With an average temperature of 25°C (78°F), this humidity feels like you're enveloped in a warm, thick blanket, making outdoor activities feel more strenuous and necessitating frequent breaks and hydration for comfortable travel.
In Grenada in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Grenada.
UV Risk Categories
Weather in Grenada varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grenada, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (46°F) | 119 mm (4.7 inches) | 85% | moderate |
February Weather | 10°C (50°F) | 185 mm (7.3 inches) | 84% | high |
March Weather | 15°C (58°F) | 164 mm (6.5 inches) | 82% | very high |
April Weather | 17°C (63°F) | 149 mm (5.9 inches) | 82% | very high |
May Weather | 23°C (73°F) | 109 mm (4.3 inches) | 82% | extreme |
June Weather | 26°C (79°F) | 131 mm (5.1 inches) | 79% | extreme |
July Weather | 28°C (82°F) | 96 mm (3.8 inches) | 82% | extreme |
August Weather | 27°C (81°F) | 119 mm (4.7 inches) | 77% | extreme |
September Weather | 25°C (78°F) | 91 mm (3.6 inches) | 74% | very high |
October Weather | 19°C (67°F) | 124 mm (4.9 inches) | 73% | very high |
November Weather | 12°C (53°F) | 80 mm (3.1 inches) | 85% | high |
December Weather | 10°C (50°F) | 133 mm (5.3 inches) | 88% | moderate |