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September Weather in Greenback, United States

Last updated: June 24, 2025

In September, the average temperature in Greenback, United States hovers around 23°C (74°F), offering a pleasant climate. Temperatures can vary significantly, with a minimum of 10°C (50°F) and a maximum reaching up to 36°C (96°F). Expect about 97 mm (3.8 in) of precipitation spread over 9 days, accompanied by an average humidity level of 76%.

September Temperature in Greenback

In September in Greenback, the average temperature is 23°C (74°F). Maximums can reach 36°C (96°F), while minimums can drop as low as 10°C (50°F). It's a great time to explore Greenback, so pack accordingly for both warm days and cooler evenings!

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

The chart illustrates September temperature patterns in Greenback, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenback, 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 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec424753606975797773645046
Data source: Temperature data for Greenback 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 Greenback

In Greenback in September, the total precipitation amount reaches 97 mm (3.8 in) over the course of 9 days.

September Precipitation Trends in Greenback

The chart displays monthly precipitation patterns in Greenback, 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 Greenback, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051791661391171111161289712284142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Greenback

In Greenback in September humidity is 76%. With an average temperature of 23°C (74°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor exploration feel a bit sluggish and requiring frequent breaks for hydration and respite from the heat.

September Average Humidity in Greenback

This chart illustrates the average monthly humidity levels in Greenback, 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 Greenback is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Greenback

In Greenback 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 Greenback.

Maximum UV Index Levels in Greenback for September

The chart shows the monthly maximum UV Index (UVI) for Greenback 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 Greenback typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Greenback 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 Greenback Compares to Other Months

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

This table compares monthly weather conditions in Greenback, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)105 mm (4.1 inches)86%moderate
February Weather8°C (47°F)179 mm (7.1 inches)86%high
March Weather12°C (53°F)166 mm (6.5 inches)86%very high
April Weather15°C (60°F)139 mm (5.5 inches)82%very high
May Weather21°C (70°F)117 mm (4.6 inches)85%extreme
June Weather24°C (75°F)111 mm (4.4 inches)85%extreme
July Weather26°C (79°F)116 mm (4.6 inches)83%extreme
August Weather25°C (78°F)128 mm (5.0 inches)76%very high
September Weather23°C (74°F)97 mm (3.8 inches)76%very high
October Weather18°C (64°F)122 mm (4.8 inches)80%high
November Weather10°C (50°F)84 mm (3.3 inches)88%moderate
December Weather8°C (46°F)142 mm (5.6 inches)88%moderate

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