Last updated: June 24, 2025
In September, the average temperature in Grantsboro, United States hovers around 24°C (76°F), offering a pleasant climate. However, you can expect temperature variations with minimums dipping to 12°C (54°F) and highs reaching up to 34°C (94°F). Prepare for some rain, as precipitation averages 159 mm (6.2 in) over 13 days, alongside an average humidity of 80%.
In September, in Grantsboro, the average temperature is 24°C (76°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 12°C (54°F). This makes Grantsboro an ideal destination for travelers seeking warm weather and pleasant conditions.
In Grantsboro in September, the precipitation amount is 159 mm (6.2 in) spread over 13 days.
In Grantsboro in September humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.
In Grantsboro 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 Grantsboro.
UV Risk Categories
Weather in Grantsboro varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grantsboro, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (46°F) | 76 mm (3.0 inches) | 84% | moderate |
February Weather | 11°C (51°F) | 103 mm (4.1 inches) | 81% | high |
March Weather | 12°C (54°F) | 71 mm (2.8 inches) | 80% | very high |
April Weather | 17°C (63°F) | 106 mm (4.2 inches) | 80% | very high |
May Weather | 22°C (71°F) | 126 mm (4.9 inches) | 81% | extreme |
June Weather | 25°C (77°F) | 151 mm (5.9 inches) | 82% | extreme |
July Weather | 27°C (81°F) | 166 mm (6.5 inches) | 83% | extreme |
August Weather | 26°C (80°F) | 185 mm (7.3 inches) | 82% | very high |
September Weather | 24°C (76°F) | 159 mm (6.2 inches) | 80% | very high |
October Weather | 20°C (68°F) | 70 mm (2.8 inches) | 79% | very high |
November Weather | 13°C (55°F) | 96 mm (3.8 inches) | 83% | moderate |
December Weather | 10°C (50°F) | 123 mm (4.8 inches) | 84% | moderate |