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September Weather in Tallahassee, United States

Last updated: June 24, 2025

In Tallahassee, United States, the average temperature in September hovers around 26°C (79°F). Expect a minimum of 14°C (57°F) and a maximum of 38°C (101°F), making it a warm month overall. However, be prepared for some rain, as 122 mm (4.8 in) of precipitation falls over about 13 days. With an average humidity of 83%, it’s a good idea to stay hydrated and seek shade during the hottest parts of the day!

September Temperature in Tallahassee

In September in Tallahassee, the average temperature is 26°C (79°F). Maximums can reach 38°C (101°F), while minimums can drop as low as 14°C (57°F). Be sure to pack clothes suitable for both warm days and cooler evenings when traveling to Tallahassee during this month.

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

The chart illustrates September temperature patterns in Tallahassee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tallahassee, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec545963687580818179736056
Data source: Temperature data for Tallahassee 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 Tallahassee

In Tallahassee in September, the precipitation amount is 122 mm (4.8 in) recorded over a span of 13 days.

September Precipitation Trends in Tallahassee

The chart displays monthly precipitation patterns in Tallahassee, 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 Tallahassee, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec771065296791871911591228850119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tallahassee

In Tallahassee in September, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

September Average Humidity in Tallahassee

This chart illustrates the average monthly humidity levels in Tallahassee, 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 Tallahassee is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tallahassee

In Tallahassee in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Tallahassee.

Maximum UV Index Levels in Tallahassee for September

The chart shows the monthly maximum UV Index (UVI) for Tallahassee 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 Tallahassee typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111111110864
Data source: Tallahassee 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 Tallahassee Compares to Other Months

Weather in Tallahassee varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tallahassee, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Tallahassee, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)77 mm (3.0 inches)85%moderate
February Weather15°C (60°F)106 mm (4.2 inches)82%very high
March Weather17°C (63°F)52 mm (2.0 inches)80%very high
April Weather20°C (68°F)96 mm (3.8 inches)76%very high
May Weather24°C (76°F)79 mm (3.1 inches)73%extreme
June Weather26°C (80°F)187 mm (7.4 inches)74%extreme
July Weather27°C (81°F)191 mm (7.5 inches)80%extreme
August Weather27°C (81°F)159 mm (6.3 inches)79%extreme
September Weather26°C (79°F)122 mm (4.8 inches)83%very high
October Weather23°C (73°F)88 mm (3.5 inches)77%very high
November Weather16°C (60°F)50 mm (2.0 inches)84%high
December Weather13°C (56°F)119 mm (4.7 inches)88%moderate

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