Last updated: June 24, 2025
In September, the average temperature in River Road, United States hovers around 24°C (75°F). Expect a range where the minimum can dip to 10°C (50°F) and the maximum might soar to 36°C (96°F). This month sees about 147 mm (5.8 in) of precipitation over 11 days, contributing to an average humidity of 80%—perfect for lush landscapes but be ready for some cozy, rainy days!
In September, in River Road, the average temperature is 24°C (75°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 10°C (50°F). This range makes River Road an ideal destination for travelers seeking warm weather during the day while being prepared for cooler evenings.
In River Road in September, the total precipitation amount is 147 mm (5.8 in), occurring over the course of 11 days.
In River Road in September humidity is 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.
In River Road in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in River Road.
UV Risk Categories
Weather in River Road varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in River Road, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (45°F) | 85 mm (3.4 inches) | 84% | moderate |
| February Weather | 10°C (50°F) | 90 mm (3.5 inches) | 81% | high |
| March Weather | 12°C (54°F) | 68 mm (2.7 inches) | 80% | very high |
| April Weather | 17°C (63°F) | 103 mm (4.1 inches) | 80% | very high |
| May Weather | 21°C (71°F) | 118 mm (4.6 inches) | 81% | extreme |
| June Weather | 25°C (77°F) | 152 mm (6.0 inches) | 82% | extreme |
| July Weather | 27°C (80°F) | 159 mm (6.3 inches) | 83% | extreme |
| August Weather | 26°C (79°F) | 182 mm (7.2 inches) | 82% | very high |
| September Weather | 24°C (75°F) | 147 mm (5.8 inches) | 80% | very high |
| October Weather | 19°C (67°F) | 72 mm (2.8 inches) | 79% | very high |
| November Weather | 12°C (54°F) | 97 mm (3.8 inches) | 83% | moderate |
| December Weather | 9°C (49°F) | 108 mm (4.3 inches) | 84% | moderate |