Last updated: June 24, 2025
In Pearl River, United States, the average temperature in September hovers around 26°C (79°F), with a comfortable range that sees minimums of 11°C (53°F) and maximums soaring to 37°C (99°F). Expect 136 mm (5.3 in) of precipitation over approximately 15 days, coupled with an average humidity of 80%. Whether you're drawn to the warm days or the refreshing rain, this month promises a unique blend of weather experiences!
In September in Pearl River, the average temperature is 26°C (79°F). Maximums can reach 37°C (99°F), while minimums can drop as low as 11°C (53°F). Be prepared for a warm climate and pack accordingly for both hot days and cooler evenings.
In Pearl River in September, the precipitation amount is 136 mm (5.3 in) over a span of 15 days.
In Pearl River in September humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.
In Pearl River 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 Pearl River.
UV Risk Categories
Weather in Pearl River varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Pearl River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 11°C (53°F) | 99 mm (3.9 inches) | 82% | moderate |
| February Weather | 15°C (58°F) | 115 mm (4.5 inches) | 80% | very high |
| March Weather | 18°C (64°F) | 87 mm (3.4 inches) | 80% | very high |
| April Weather | 20°C (68°F) | 134 mm (5.3 inches) | 78% | extreme |
| May Weather | 24°C (76°F) | 152 mm (6.0 inches) | 73% | extreme |
| June Weather | 27°C (80°F) | 236 mm (9.3 inches) | 71% | extreme |
| July Weather | 27°C (82°F) | 222 mm (8.7 inches) | 79% | extreme |
| August Weather | 27°C (81°F) | 257 mm (10.1 inches) | 78% | extreme |
| September Weather | 26°C (79°F) | 136 mm (5.3 inches) | 80% | very high |
| October Weather | 22°C (72°F) | 130 mm (5.1 inches) | 76% | very high |
| November Weather | 15°C (59°F) | 68 mm (2.7 inches) | 83% | high |
| December Weather | 13°C (56°F) | 118 mm (4.7 inches) | 87% | moderate |