Last updated: June 24, 2025
In Mound City, United States, the average temperature in September hovers around 17°C (63°F). However, be prepared for a range, as temperatures can dip to a chilly 1°C (34°F) or soar up to a blistering 35°C (95°F). Expect about 64 mm (2.5 in) of precipitation over approximately 6 days, and don't forget to factor in the average humidity of 73% for your comfort!
In September in Mound City, the average temperature is 17°C (63°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 1°C (34°F). This range makes it an ideal time for travelers to experience a variety of weather conditions, perfect for outdoor activities and exploring the local scenery.
In Mound City in September, the total precipitation amount is 64 mm (2.5 in) during a span of 6 days.
In Mound City in September humidity is 73%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making it ideal for leisurely strolling through vibrant markets or exploring outdoor attractions, though travelers may want to stay hydrated and take breaks in shaded areas to fully enjoy the atmosphere.
In Mound City in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mound City.
UV Risk Categories
Weather in Mound City varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mound City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 13 mm (0.5 inches) | 78% | low |
| February Weather | -10°C (13°F) | 17 mm (0.7 inches) | 81% | moderate |
| March Weather | -1°C (31°F) | 27 mm (1.1 inches) | 71% | moderate |
| April Weather | 5°C (41°F) | 42 mm (1.7 inches) | 73% | high |
| May Weather | 13°C (57°F) | 56 mm (2.2 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 58 mm (2.3 inches) | 82% | very high |
| July Weather | 24°C (75°F) | 59 mm (2.3 inches) | 83% | very high |
| August Weather | 22°C (71°F) | 90 mm (3.6 inches) | 82% | very high |
| September Weather | 17°C (63°F) | 64 mm (2.5 inches) | 73% | very high |
| October Weather | 7°C (45°F) | 63 mm (2.5 inches) | 71% | moderate |
| November Weather | 0°C (32°F) | 14 mm (0.5 inches) | 78% | moderate |
| December Weather | -5°C (23°F) | 26 mm (1.0 inches) | 76% | low |