Last updated: June 24, 2025
In Carson City, United States, the average temperature in September hovers around 18°C (64°F), with a cool minimum of 1°C (34°F) and occasional highs reaching 35°C (95°F). Expect 111 mm (4.4 in) of precipitation over approximately 11 days of the month, creating a humid atmosphere with an average humidity of 80%. Perfect for those who enjoy a touch of freshness!
In September in Carson City, the average temperature is 18°C (64°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 1°C (34°F). This range makes Carson City an ideal destination for travelers seeking a diverse climate, offering both warm days and cool nights.
In Carson City in September, the precipitation amount is 111 mm (4.4 in), occurring over the course of 11 days.
In Carson City in September humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.
In Carson City 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 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 | -4°C (25°F) | 60 mm (2.3 inches) | 88% | low |
| February Weather | -3°C (26°F) | 62 mm (2.4 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 60 mm (2.4 inches) | 85% | moderate |
| April Weather | 8°C (46°F) | 87 mm (3.4 inches) | 86% | very high |
| May Weather | 15°C (59°F) | 121 mm (4.8 inches) | 80% | very high |
| June Weather | 21°C (69°F) | 120 mm (4.7 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 66 mm (2.6 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 67 mm (2.6 inches) | 80% | very high |
| September Weather | 18°C (64°F) | 111 mm (4.4 inches) | 80% | high |
| October Weather | 11°C (52°F) | 121 mm (4.8 inches) | 84% | moderate |
| November Weather | 3°C (38°F) | 58 mm (2.3 inches) | 89% | moderate |
| December Weather | -1°C (31°F) | 64 mm (2.5 inches) | 86% | low |