Last updated: June 24, 2025
In September, the average temperature in Royal Palm Beach, United States hovers around 28°C (83°F), with a comfortable minimum of 22°C (72°F) and a warm maximum of 34°C (94°F). Visitors can expect 201 mm (7.9 in) of precipitation spread over 24 days, resulting in an average humidity level of 83%, creating a lush and vibrant atmosphere.
In September in Royal Palm Beach, the average temperature is 28°C (83°F). The maximum can reach 34°C (94°F), while the minimum can drop to as low as 22°C (72°F). This makes Royal Palm Beach an ideal destination for travelers looking to enjoy warm weather and pleasant conditions.
In Royal Palm Beach in September, the precipitation amount is 201 mm (7.9 in) spread over 24 days.
In Royal Palm Beach in September humidity is 83%. With an average temperature of 28°C (83°F), this humidity feels like a warm, sticky blanket wrapping around you, making travel uncomfortable and requiring frequent breaks to hydrate and cool down.
In Royal Palm Beach 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 Royal Palm Beach.
UV Risk Categories
Weather in Royal Palm Beach varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Royal Palm Beach, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 20°C (68°F) | 34 mm (1.3 inches) | 83% | high |
| February Weather | 22°C (72°F) | 48 mm (1.9 inches) | 80% | very high |
| March Weather | 22°C (72°F) | 28 mm (1.1 inches) | 75% | very high |
| April Weather | 24°C (76°F) | 75 mm (3.0 inches) | 68% | extreme |
| May Weather | 26°C (79°F) | 165 mm (6.5 inches) | 65% | extreme |
| June Weather | 27°C (82°F) | 257 mm (10.1 inches) | 73% | extreme |
| July Weather | 28°C (83°F) | 254 mm (10.0 inches) | 77% | extreme |
| August Weather | 28°C (83°F) | 250 mm (9.8 inches) | 80% | extreme |
| September Weather | 28°C (83°F) | 201 mm (7.9 inches) | 83% | extreme |
| October Weather | 27°C (80°F) | 135 mm (5.3 inches) | 83% | very high |
| November Weather | 24°C (75°F) | 65 mm (2.6 inches) | 83% | high |
| December Weather | 21°C (70°F) | 37 mm (1.5 inches) | 84% | moderate |