Last updated: June 24, 2025
In September, the average temperature in Carson City, United States hovers around 18°C (64°F). You can expect a minimum of 0°C (32°F) and a maximum of 35°C (96°F), showcasing a wide range of conditions. During this month, precipitation amounts to approximately 9 mm (0.3 in) over just 2 days. With an average humidity of 41%, it's a month that balances warmth with occasional moisture.
In September in Carson City, the average temperature is 18°C (64°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 0°C (32°F). It's advisable to pack layers and prepare for both warm days and chilly nights while traveling during this time.
In Carson City in September, the precipitation amount is 9 mm (0.3 in) over a period of 2 days.
In Carson City in September humidity is 41%. With an average temperature of 18°C (64°F), this humidity feels like a mild and comfortable atmosphere for traveling, allowing you to explore without feeling overly sticky or fatigued.
In Carson City in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Carson City.
UV Risk Categories
Weather in Carson City varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Carson City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 107 mm (4.2 inches) | 85% | moderate |
| February Weather | 1°C (34°F) | 109 mm (4.3 inches) | 87% | high |
| March Weather | 3°C (38°F) | 82 mm (3.2 inches) | 84% | very high |
| April Weather | 7°C (45°F) | 39 mm (1.5 inches) | 78% | very high |
| May Weather | 12°C (53°F) | 38 mm (1.5 inches) | 64% | extreme |
| June Weather | 18°C (65°F) | 7 mm (0.3 inches) | 56% | extreme |
| July Weather | 23°C (73°F) | 9 mm (0.4 inches) | 44% | extreme |
| August Weather | 22°C (72°F) | 9 mm (0.4 inches) | 34% | extreme |
| September Weather | 18°C (64°F) | 9 mm (0.3 inches) | 41% | very high |
| October Weather | 10°C (51°F) | 36 mm (1.4 inches) | 60% | high |
| November Weather | 6°C (42°F) | 47 mm (1.9 inches) | 81% | moderate |
| December Weather | 1°C (34°F) | 79 mm (3.1 inches) | 82% | moderate |