Last updated: June 24, 2025
In September, the average temperature in Jackson, United States hovers around 21°C (70°F). Expect a range from a chilly 6°C (43°F) to a sweltering 36°C (98°F). Be prepared for some rain, as 102 mm (4.0 in) of precipitation may fall over about 9 days, and the humidity is typically around 73%, making for a pleasantly warm and slightly moist atmosphere.
In September in Jackson, the average temperature is 21°C (70°F). The maximum can reach up to 36°C (98°F), while the minimum can drop as low as 6°C (43°F). It's an ideal time for travelers to enjoy mild weather with the possibility of warm days and cooler evenings, perfect for both outdoor adventures and relaxing strolls.
In Jackson in September, the total precipitation amount is 102 mm (4.0 in) over a span of 9 days.
In Jackson in September, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.
In Jackson in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Jackson.
UV Risk Categories
Weather in Jackson varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jackson, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 85 mm (3.4 inches) | 88% | moderate |
| February Weather | 3°C (39°F) | 123 mm (4.9 inches) | 88% | moderate |
| March Weather | 8°C (46°F) | 112 mm (4.4 inches) | 87% | high |
| April Weather | 12°C (55°F) | 130 mm (5.1 inches) | 85% | very high |
| May Weather | 18°C (66°F) | 127 mm (5.0 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 142 mm (5.6 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 106 mm (4.2 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 115 mm (4.5 inches) | 73% | very high |
| September Weather | 21°C (70°F) | 102 mm (4.0 inches) | 73% | very high |
| October Weather | 15°C (60°F) | 112 mm (4.4 inches) | 78% | high |
| November Weather | 7°C (45°F) | 81 mm (3.2 inches) | 89% | moderate |
| December Weather | 4°C (39°F) | 113 mm (4.4 inches) | 87% | moderate |