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September Weather in Rossville, United States

Last updated: June 24, 2025

In Rossville, United States, the average temperature in September is a pleasant 21°C (70°F). However, be prepared for a minimum drop to 5°C (41°F) and a maximum rise to a warm 34°C (93°F). During this month, you can expect approximately 63 mm (2.5 in) of precipitation spread over 8 days, with an average humidity level of 78%.

September Temperature in Rossville

In September in Rossville, the average temperature is 21°C (70°F). Maximums can reach 34°C (93°F), while minimums can drop as low as 5°C (41°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for both warm and cooler temperatures.

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

The chart illustrates September temperature patterns in Rossville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rossville, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec293142516473767469574135
Data source: Temperature data for Rossville 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 Rossville

In Rossville in September, the precipitation amount is 63 mm (2.5 in) spread over 8 days.

September Precipitation Trends in Rossville

The chart displays monthly precipitation patterns in Rossville, 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 Rossville, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec768010393151979394631047664
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rossville

In Rossville in September, humidity is 78%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it important to stay hydrated and take frequent breaks from outdoor activities.

September Average Humidity in Rossville

This chart illustrates the average monthly humidity levels in Rossville, 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 Rossville is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rossville

In Rossville in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rossville.

Maximum UV Index Levels in Rossville for September

The chart shows the monthly maximum UV Index (UVI) for Rossville 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 Rossville typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Rossville 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 Rossville Compares to Other Months

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

This table compares monthly weather conditions in Rossville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)76 mm (3.0 inches)85%moderate
February Weather0°C (32°F)80 mm (3.1 inches)85%moderate
March Weather5°C (42°F)103 mm (4.0 inches)86%high
April Weather11°C (51°F)93 mm (3.6 inches)87%very high
May Weather18°C (64°F)151 mm (5.9 inches)81%very high
June Weather23°C (74°F)97 mm (3.8 inches)82%extreme
July Weather25°C (77°F)93 mm (3.7 inches)81%very high
August Weather23°C (74°F)94 mm (3.7 inches)79%very high
September Weather21°C (70°F)63 mm (2.5 inches)78%very high
October Weather14°C (58°F)104 mm (4.1 inches)81%high
November Weather5°C (42°F)76 mm (3.0 inches)89%moderate
December Weather2°C (35°F)64 mm (2.5 inches)86%low

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