Last updated: June 24, 2025
In September, the average temperature in Sierra Blanca, United States is a comfortable 24°C (75°F). You can expect temperatures to range from a chilly 8°C (46°F) to a warm 35°C (96°F). During this month, precipitation measures around 31 mm (1.2 in), spread over approximately 6 days. The average humidity sits at a notable 74%, adding a touch of tropical feel to the atmosphere.
In September in Sierra Blanca, the average temperature is 24°C (75°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop to as low as 8°C (46°F). Be prepared for warm days and cooler nights, making it a great time for outdoor adventures and comfortable evenings.
In Sierra Blanca in September, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.
In Sierra Blanca in September, humidity is 74%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both sticky and exhilarating, as the heat clings to your skin while inviting you to seek out refreshing breezes or cool shade.
In Sierra Blanca in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sierra Blanca.
UV Risk Categories
Weather in Sierra Blanca varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sierra Blanca, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (46°F) | 9 mm (0.4 inches) | 81% | moderate |
| February Weather | 10°C (50°F) | 12 mm (0.5 inches) | 77% | very high |
| March Weather | 15°C (59°F) | 18 mm (0.7 inches) | 65% | very high |
| April Weather | 19°C (67°F) | 6 mm (0.2 inches) | 53% | extreme |
| May Weather | 24°C (75°F) | 7 mm (0.3 inches) | 51% | extreme |
| June Weather | 28°C (82°F) | 22 mm (0.9 inches) | 51% | extreme |
| July Weather | 27°C (82°F) | 34 mm (1.4 inches) | 60% | extreme |
| August Weather | 27°C (81°F) | 33 mm (1.3 inches) | 63% | extreme |
| September Weather | 24°C (75°F) | 31 mm (1.2 inches) | 74% | extreme |
| October Weather | 19°C (66°F) | 22 mm (0.9 inches) | 75% | very high |
| November Weather | 13°C (56°F) | 10 mm (0.4 inches) | 82% | high |
| December Weather | 9°C (48°F) | 15 mm (0.6 inches) | 87% | moderate |