Last updated: June 24, 2025
In September, the average temperature in Coon Rapids, United States hovers around 20°C (68°F), offering a pleasant climate. However, be prepared for variability, as temperatures can dip to a minimum of 5°C (41°F) and soar up to a maximum of 35°C (95°F). During this time, you can expect about 96 mm (3.8 in) of precipitation spread over 10 days, accompanied by a relatively high average humidity of 73%.
In September in Coon Rapids, the average temperature is 20°C (68°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop as low as 5°C (41°F). This diverse temperature range makes it a great destination for travelers looking to experience both warm days and cooler evenings.
In Coon Rapids in September, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.
In Coon Rapids in September, humidity is 73%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky, yet the atmosphere remains pleasant for leisurely strolls and sightseeing.
In Coon Rapids 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 Coon Rapids.
UV Risk Categories
Weather in Coon Rapids varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Coon Rapids, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 31 mm (1.2 inches) | 78% | moderate |
| February Weather | -5°C (24°F) | 39 mm (1.5 inches) | 80% | moderate |
| March Weather | 4°C (39°F) | 80 mm (3.2 inches) | 77% | high |
| April Weather | 9°C (49°F) | 65 mm (2.5 inches) | 77% | very high |
| May Weather | 16°C (62°F) | 171 mm (6.7 inches) | 77% | very high |
| June Weather | 23°C (74°F) | 104 mm (4.1 inches) | 81% | extreme |
| July Weather | 25°C (77°F) | 73 mm (2.9 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 112 mm (4.4 inches) | 77% | very high |
| September Weather | 20°C (68°F) | 96 mm (3.8 inches) | 73% | very high |
| October Weather | 11°C (52°F) | 122 mm (4.8 inches) | 75% | high |
| November Weather | 3°C (38°F) | 34 mm (1.4 inches) | 85% | moderate |
| December Weather | -1°C (30°F) | 37 mm (1.5 inches) | 83% | moderate |