September Weather in Jackson, United States

Last updated: June 24, 2025

In September, the average temperature in Jackson, United States hovers around 25°C (78°F). However, you can experience a range from a cool 11°C (52°F) to a scorching 38°C (101°F). Expect 73 mm (2.9 in) of precipitation spread over 7 days, contributing to an average humidity of 83%. Enjoy the unique climate that Jackson offers!

September Temperature in Jackson

In September in Jackson, the average temperature is 25°C (78°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 11°C (52°F). This climate makes it a perfect time for travelers seeking warm weather and opportunities for outdoor activities.

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 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec495559667479828178705652
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 precipitation amount is 73 mm (2.9 in) during a span of 7 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 73 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec901127511397124138143738156120
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 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%81%81%79%75%75%80%81%83%78%85%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
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 Weather10°C (50°F)90 mm (3.5 inches)86%moderate
February Weather13°C (55°F)112 mm (4.4 inches)81%high
March Weather15°C (60°F)75 mm (3.0 inches)81%very high
April Weather19°C (66°F)113 mm (4.4 inches)79%very high
May Weather24°C (75°F)97 mm (3.8 inches)75%extreme
June Weather26°C (79°F)124 mm (4.9 inches)75%extreme
July Weather28°C (82°F)138 mm (5.4 inches)80%extreme
August Weather27°C (81°F)143 mm (5.6 inches)81%extreme
September Weather25°C (78°F)73 mm (2.9 inches)83%very high
October Weather21°C (70°F)81 mm (3.2 inches)78%very high
November Weather13°C (56°F)56 mm (2.2 inches)85%high
December Weather11°C (52°F)120 mm (4.7 inches)87%moderate

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