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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 24°C (75°F), with a minimum drop to 9°C (49°F) and peaks reaching up to 37°C (99°F). Expect around 119 mm (4.7 in) of precipitation over the course of 7 days, and enjoy a relatively high humidity level at 70%.

September Temperature in Jackson

In September, in Jackson, the average temperature is 24°C (75°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 9°C (49°F). Be prepared for a mix of warm days and cooler nights when planning your travel.

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 24°C (75°F), with highs reaching up to 37°C (99°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554607178817975645046
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 119 mm (4.7 in) over 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 119 mm (4.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec10218016615311310713211011911882145
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 70%. With an average temperature of 24°C (75°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit sluggish and sticky, ideal for leisurely strolls but requiring plenty of hydration.

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 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%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.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109753
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 Weather5°C (42°F)102 mm (4.0 inches)86%moderate
February Weather7°C (46°F)180 mm (7.1 inches)85%high
March Weather12°C (54°F)166 mm (6.5 inches)84%high
April Weather16°C (60°F)153 mm (6.0 inches)81%very high
May Weather21°C (71°F)113 mm (4.4 inches)83%extreme
June Weather25°C (78°F)107 mm (4.2 inches)83%extreme
July Weather27°C (81°F)132 mm (5.2 inches)80%extreme
August Weather26°C (79°F)110 mm (4.3 inches)73%very high
September Weather24°C (75°F)119 mm (4.7 inches)70%very high
October Weather18°C (64°F)118 mm (4.6 inches)73%high
November Weather10°C (50°F)82 mm (3.2 inches)85%moderate
December Weather8°C (46°F)145 mm (5.7 inches)88%moderate

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