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September Weather in Falls City, United States

Last updated: June 24, 2025

In September, the average temperature in Falls City, United States is a pleasant 22°C (72°F). Temperatures can vary significantly, with a minimum of 6°C (43°F) and a maximum of 35°C (96°F). Expect about 73 mm (2.9 in) of precipitation spread over 8 days, accompanied by an average humidity of 71%.

September Temperature in Falls City

In September in Falls City, the average temperature is 22°C (72°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop as low as 6°C (43°F). This variety in temperatures makes Falls City an ideal destination for travelers seeking both warm and cool experiences.

September Weather in Falls City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Falls City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Falls City, September typically has an average temperature of 22°C (72°F), with highs reaching up to 35°C (96°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec283045536577797671554335
Data source: Temperature data for Falls City 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 Falls City

In Falls City in September, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

September Precipitation Trends in Falls City

The chart displays monthly precipitation patterns in Falls City, 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 Falls City, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec39319382170125111115731193832
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Falls City

In Falls City in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Falls City

This chart illustrates the average monthly humidity levels in Falls City, 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 Falls City is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Falls City

In Falls City 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 Falls City.

Maximum UV Index Levels in Falls City for September

The chart shows the monthly maximum UV Index (UVI) for Falls City 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 Falls City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111199643
Data source: Falls City 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 Falls City Compares to Other Months

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

This table compares monthly weather conditions in Falls City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)39 mm (1.5 inches)76%moderate
February Weather-1°C (30°F)31 mm (1.2 inches)77%moderate
March Weather7°C (45°F)93 mm (3.6 inches)70%high
April Weather12°C (53°F)82 mm (3.2 inches)73%very high
May Weather18°C (65°F)170 mm (6.7 inches)82%very high
June Weather25°C (77°F)125 mm (4.9 inches)82%extreme
July Weather26°C (80°F)111 mm (4.4 inches)81%extreme
August Weather24°C (76°F)115 mm (4.5 inches)78%very high
September Weather22°C (72°F)73 mm (2.9 inches)71%very high
October Weather13°C (56°F)119 mm (4.7 inches)71%high
November Weather6°C (43°F)38 mm (1.5 inches)81%moderate
December Weather2°C (36°F)32 mm (1.2 inches)84%moderate

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