Last updated: June 24, 2025
In September, the average temperature in Swansboro, United States is a pleasant 25°C (77°F). However, be prepared for a range, as temperatures can dip to a minimum of 11°C (53°F) and soar up to 34°C (94°F). With an average humidity of 80% and precipitation totaling 218 mm (8.6 in) over 14 days, don't forget to pack your umbrella along with your shades!
In September in Swansboro, the average temperature is 25°C (77°F). Maximums can reach 34°C (94°F) and minimums can be as low as 11°C (53°F). It's an ideal time for travelers to enjoy the pleasant weather while exploring the beauty of Swansboro.
In Swansboro in September, the total precipitation amount is 218 mm (8.6 in) over the course of 14 days.
In Swansboro in September humidity is 80%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, tropical rainforest where the air is thick and steamy, making even the simplest stroll feel like a workout.
In Swansboro 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 Swansboro.
UV Risk Categories
Weather in Swansboro varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Swansboro, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 9°C (48°F) | 69 mm (2.7 inches) | 84% | moderate |
February Weather | 11°C (53°F) | 110 mm (4.3 inches) | 81% | high |
March Weather | 13°C (56°F) | 71 mm (2.8 inches) | 80% | very high |
April Weather | 17°C (64°F) | 105 mm (4.1 inches) | 80% | very high |
May Weather | 22°C (72°F) | 117 mm (4.6 inches) | 81% | extreme |
June Weather | 25°C (77°F) | 171 mm (6.7 inches) | 82% | extreme |
July Weather | 27°C (81°F) | 142 mm (5.6 inches) | 83% | extreme |
August Weather | 27°C (80°F) | 187 mm (7.4 inches) | 82% | very high |
September Weather | 25°C (77°F) | 218 mm (8.6 inches) | 80% | very high |
October Weather | 20°C (69°F) | 71 mm (2.8 inches) | 79% | very high |
November Weather | 13°C (56°F) | 100 mm (3.9 inches) | 83% | moderate |
December Weather | 11°C (52°F) | 128 mm (5.0 inches) | 84% | moderate |