Last updated: June 24, 2025
In Lucerne Valley, United States, the average temperature in September hovers around 24°C (75°F), offering a pleasant climate. However, be prepared for temperature swings, as it can drop to a chilly 8°C (46°F) or soar up to a sizzling 40°C (104°F). Expect minimal rainfall with an average precipitation of just 4 mm (0.2 in) over the course of only 1 day. With an average humidity level of 41%, it’s a comfortable time to explore or relax!
In September in Lucerne Valley, the average temperature is 24°C (75°F). Maximums can reach 40°C (104°F), and minimums can dip as low as 8°C (46°F). Be prepared for warm days and cooler evenings while exploring the beautiful sights of Lucerne Valley.
In Lucerne Valley in September, the precipitation amount is 4 mm (0.2 in) during 1 day.
In Lucerne Valley in September humidity is 41%. With an average temperature of 24°C (75°F), this humidity feels like a pleasant embrace that enhances the warmth, making it ideal for leisurely strolls and outdoor adventures without the overwhelming stickiness often associated with higher humidity levels.
In Lucerne Valley 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 Lucerne Valley.
UV Risk Categories
Weather in Lucerne Valley varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lucerne Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 28 mm (1.1 inches) | 76% | moderate |
| February Weather | 9°C (48°F) | 26 mm (1.0 inches) | 80% | high |
| March Weather | 11°C (52°F) | 26 mm (1.0 inches) | 69% | very high |
| April Weather | 15°C (60°F) | 14 mm (0.5 inches) | 57% | extreme |
| May Weather | 18°C (65°F) | 6 mm (0.2 inches) | 45% | extreme |
| June Weather | 24°C (76°F) | 2 mm (0.1 inches) | 34% | extreme |
| July Weather | 28°C (82°F) | 11 mm (0.4 inches) | 29% | extreme |
| August Weather | 27°C (81°F) | 7 mm (0.3 inches) | 28% | extreme |
| September Weather | 24°C (75°F) | 4 mm (0.2 inches) | 41% | very high |
| October Weather | 17°C (63°F) | 6 mm (0.2 inches) | 54% | very high |
| November Weather | 12°C (54°F) | 9 mm (0.4 inches) | 68% | moderate |
| December Weather | 8°C (46°F) | 29 mm (1.2 inches) | 75% | moderate |