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September Weather in Jackson, United States

Last updated: June 24, 2025

In September, the average temperature in Jackson, United States hovers around 23°C (74°F). While the minimum can drop to 9°C (49°F), the maximum can soar to 36°C (96°F). Expect about 115 mm (4.5 in) of precipitation over 9 days, contributing to an average humidity of 75%. Enjoy the warm and humid climate of this vibrant destination!

September Temperature in Jackson

In September in Jackson, the average temperature is 23°C (74°F). Maximums can reach up to 36°C (96°F), while minimums can drop as low as 9°C (49°F). Travelers should be prepared for warm days and cooler nights.

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 (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec434852627076807974655146
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 115 mm (4.5 in) over the course of 9 days, indicating a relatively wet period for the region.

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 115 mm (4.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9011085101111128122154115868390
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 (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109853
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 Weather6°C (43°F)90 mm (3.5 inches)84%moderate
February Weather9°C (48°F)110 mm (4.3 inches)84%high
March Weather11°C (52°F)85 mm (3.3 inches)84%very high
April Weather16°C (62°F)101 mm (4.0 inches)82%very high
May Weather21°C (70°F)111 mm (4.4 inches)82%very high
June Weather25°C (77°F)128 mm (5.0 inches)83%extreme
July Weather27°C (81°F)122 mm (4.8 inches)79%extreme
August Weather26°C (79°F)154 mm (6.0 inches)77%very high
September Weather23°C (74°F)115 mm (4.5 inches)75%very high
October Weather19°C (66°F)86 mm (3.4 inches)81%very high
November Weather11°C (52°F)83 mm (3.3 inches)87%moderate
December Weather8°C (47°F)90 mm (3.5 inches)85%moderate

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