Last updated: June 24, 2025
In Evergreen, United States, the average temperature in September hovers around 16°C (62°F), offering a comfortable atmosphere for visitors and locals alike. Expect minimum temperatures to dip to 1°C (34°F), while the mercury can soar to a maximum of 32°C (90°F) on warmer days. During this month, precipitation averages 85 mm (3.4 in) over about 10 days, contributing to an average humidity level of 78% that enhances the region's lush beauty.
In September in Evergreen, the average temperature is 16°C (62°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 1°C (34°F). It’s advisable to pack layers to comfortably enjoy your travels in this variable climate.
In Evergreen in September, the precipitation amount is 85 mm (3.4 in) over the course of 10 days.
In Evergreen in September, humidity is 78%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities enjoyable yet slightly sticky. Travelers may find the weather pleasantly mild, though they'll appreciate having light, breathable clothing on hand to stay comfortable while exploring.
In Evergreen in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Evergreen.
UV Risk Categories
Weather in Evergreen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Evergreen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 35 mm (1.4 inches) | 89% | low |
| February Weather | -8°C (18°F) | 50 mm (2.0 inches) | 90% | moderate |
| March Weather | 0°C (32°F) | 55 mm (2.2 inches) | 87% | moderate |
| April Weather | 6°C (42°F) | 98 mm (3.9 inches) | 84% | high |
| May Weather | 14°C (57°F) | 104 mm (4.1 inches) | 77% | very high |
| June Weather | 20°C (68°F) | 113 mm (4.4 inches) | 75% | very high |
| July Weather | 22°C (72°F) | 113 mm (4.4 inches) | 74% | very high |
| August Weather | 20°C (68°F) | 125 mm (4.9 inches) | 73% | very high |
| September Weather | 16°C (62°F) | 85 mm (3.4 inches) | 78% | high |
| October Weather | 9°C (48°F) | 106 mm (4.2 inches) | 84% | moderate |
| November Weather | 0°C (33°F) | 50 mm (2.0 inches) | 89% | moderate |
| December Weather | -5°C (24°F) | 52 mm (2.0 inches) | 87% | low |