Last updated: June 24, 2025
In September, the average temperature in Prescott Valley, United States hovers around 22°C (72°F), offering a pleasant climate. However, be prepared for temperature fluctuations, with minimums dipping to 5°C (41°F) and maximums soaring to 38°C (100°F). During this month, expect about 47 mm (1.8 in) of precipitation spread over 7 days, contributing to an average humidity level of 59%. Enjoy the subtle variations of this vibrant locale!
In September in Prescott Valley, the average temperature is 22°C (72°F). Maximums can reach 38°C (100°F) and minimums can be as low as 5°C (41°F). This variation makes it essential for travelers to pack both lightweight clothing for the warm days and warmer layers for the cooler evenings.
In Prescott Valley in September, the precipitation amount is 47 mm (1.8 in) during a span of 7 days.
In Prescott Valley in September humidity is 59%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making it a pleasant time for outdoor adventures and sightseeing, though occasional breezes can refresh your experience.
In Prescott 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 Prescott Valley.
UV Risk Categories
Weather in Prescott Valley varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Prescott Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 45 mm (1.8 inches) | 80% | moderate |
| February Weather | 6°C (43°F) | 49 mm (1.9 inches) | 83% | high |
| March Weather | 9°C (49°F) | 57 mm (2.2 inches) | 72% | very high |
| April Weather | 15°C (58°F) | 10 mm (0.4 inches) | 63% | extreme |
| May Weather | 18°C (65°F) | 18 mm (0.7 inches) | 46% | extreme |
| June Weather | 25°C (77°F) | 6 mm (0.2 inches) | 35% | extreme |
| July Weather | 26°C (79°F) | 131 mm (5.2 inches) | 33% | extreme |
| August Weather | 25°C (77°F) | 80 mm (3.1 inches) | 41% | extreme |
| September Weather | 22°C (72°F) | 47 mm (1.8 inches) | 59% | very high |
| October Weather | 15°C (60°F) | 33 mm (1.3 inches) | 70% | very high |
| November Weather | 10°C (51°F) | 31 mm (1.2 inches) | 79% | high |
| December Weather | 6°C (42°F) | 35 mm (1.4 inches) | 82% | moderate |