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September Weather in Jackson, United States

Last updated: June 24, 2025

In Jackson, United States, the average temperature in September hovers around 23°C (73°F). However, don't be surprised by the temperature's range, which can dip to a chilly 8°C (46°F) and soar up to a scorching 36°C (97°F). Expect 74 mm (2.9 in) of precipitation over 6 days, and with an average humidity of 75%, it’s advisable to stay prepared for both warmth and occasional showers!

September Temperature in Jackson

In September in Jackson, the average temperature is 23°C (73°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 8°C (46°F). This is an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for fluctuating temperatures.

September Weather in Jackson: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Jackson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jackson, September typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849566876807773604541
Data source: Temperature data for Jackson generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Jackson

In Jackson in September, the total precipitation amount is 74 mm (2.9 in), spread over a period of 6 days.

September Precipitation Trends in Jackson

The chart displays monthly precipitation patterns in Jackson, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Jackson, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec961121481541488497106741238879
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jackson

In Jackson in September, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.

September Average Humidity in Jackson

This chart illustrates the average monthly humidity levels in Jackson, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Jackson is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jackson

In Jackson 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 Jackson.

Maximum UV Index Levels in Jackson for September

The chart shows the monthly maximum UV Index (UVI) for Jackson in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Jackson typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679111110109753
Data source: Jackson September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Jackson Compares to Other Months

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.

This table compares monthly weather conditions in Jackson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)96 mm (3.8 inches)86%moderate
February Weather4°C (39°F)112 mm (4.4 inches)84%high
March Weather9°C (49°F)148 mm (5.8 inches)84%high
April Weather13°C (56°F)154 mm (6.0 inches)80%very high
May Weather20°C (68°F)148 mm (5.8 inches)82%extreme
June Weather25°C (77°F)84 mm (3.3 inches)83%extreme
July Weather27°C (80°F)97 mm (3.8 inches)79%very high
August Weather25°C (77°F)106 mm (4.2 inches)76%very high
September Weather23°C (73°F)74 mm (2.9 inches)75%very high
October Weather16°C (60°F)123 mm (4.9 inches)74%high
November Weather7°C (46°F)88 mm (3.5 inches)85%moderate
December Weather5°C (41°F)79 mm (3.1 inches)88%moderate

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