Last updated: June 24, 2025
In Fairview-Ferndale, United States, the average temperature in September hovers around 20°C (68°F), making it quite pleasant. Temperatures can vary, with minimums dropping to 3°C (37°F) and maximums soaring to 33°C (92°F). Expect a total precipitation of 115 mm (4.5 in) spread over about 9 days, while humidity levels average around 66%, contributing to the overall climate experience.
In September in Fairview-Ferndale, the average temperature is 20°C (68°F). Maximums can reach 33°C (92°F), and minimums can be as low as 3°C (37°F). This pleasant climate makes Fairview-Ferndale an ideal destination for travelers looking to enjoy a variety of outdoor activities.
In Fairview-Ferndale in September, the precipitation amount is 115 mm (4.5 in) over the course of 9 days, indicating a relatively wet period for the region.
In Fairview-Ferndale in September, humidity is 66%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially a bit sticky, so travelers should stay hydrated and consider light, breathable clothing for comfort.
In Fairview-Ferndale 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 Fairview-Ferndale.
UV Risk Categories
Weather in Fairview-Ferndale varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Fairview-Ferndale, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 72 mm (2.8 inches) | 87% | moderate |
| February Weather | 1°C (34°F) | 101 mm (4.0 inches) | 85% | moderate |
| March Weather | 4°C (40°F) | 92 mm (3.6 inches) | 85% | high |
| April Weather | 10°C (51°F) | 108 mm (4.2 inches) | 83% | very high |
| May Weather | 16°C (62°F) | 123 mm (4.8 inches) | 75% | very high |
| June Weather | 21°C (70°F) | 100 mm (3.9 inches) | 73% | very high |
| July Weather | 24°C (76°F) | 147 mm (5.8 inches) | 65% | very high |
| August Weather | 23°C (74°F) | 137 mm (5.4 inches) | 62% | very high |
| September Weather | 20°C (68°F) | 115 mm (4.5 inches) | 66% | very high |
| October Weather | 14°C (57°F) | 115 mm (4.5 inches) | 79% | high |
| November Weather | 6°C (42°F) | 97 mm (3.8 inches) | 87% | moderate |
| December Weather | 2°C (36°F) | 89 mm (3.5 inches) | 85% | low |