Last updated: June 24, 2025
In Blackhawk, United States, the average temperature in September hovers around 20°C (68°F), with a minimum of 6°C (44°F) and a maximum reaching up to 42°C (107°F). Expect minimal precipitation of just 2 mm (0.1 in) across 0 days, making for a typically dry month. The air remains comfortably cool with an average humidity of 55%.
In September in Blackhawk, the average temperature is 20°C (68°F). Maximums can reach 42°C (107°F), while minimums can drop as low as 6°C (44°F). It's advisable to pack layers and stay hydrated while exploring the varied climate.
In Blackhawk in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Blackhawk in September humidity is 55%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it comfortable for traveling but slightly sticky, encouraging leisurely strolls and relaxed outdoor activities.
In Blackhawk 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 Blackhawk.
UV Risk Categories
Weather in Blackhawk varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Blackhawk, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 10°C (50°F) | 94 mm (3.7 inches) | 82% | moderate |
February Weather | 11°C (52°F) | 89 mm (3.5 inches) | 84% | moderate |
March Weather | 12°C (54°F) | 77 mm (3.0 inches) | 82% | very high |
April Weather | 14°C (58°F) | 30 mm (1.2 inches) | 78% | very high |
May Weather | 16°C (61°F) | 17 mm (0.7 inches) | 71% | very high |
June Weather | 19°C (66°F) | 2 mm (0.1 inches) | 64% | extreme |
July Weather | 20°C (68°F) | 0 mm (0.0 inches) | 58% | extreme |
August Weather | 20°C (69°F) | 0 mm (0.0 inches) | 54% | very high |
September Weather | 20°C (68°F) | 2 mm (0.1 inches) | 55% | very high |
October Weather | 17°C (63°F) | 22 mm (0.9 inches) | 62% | high |
November Weather | 13°C (55°F) | 38 mm (1.5 inches) | 78% | moderate |
December Weather | 10°C (50°F) | 76 mm (3.0 inches) | 80% | moderate |