September Weather in Falls City, United States

Last updated: June 24, 2025

In Falls City, United States during September, the average temperature hovers around 16°C (62°F), with a minimum dipping to 4°C (39°F) and a maximum soaring up to 35°C (96°F). You can expect an average humidity of 71% along with precipitation totaling 64 mm (2.5 in) over the course of 7 days. Stay prepared for a mix of weather!

September Temperature in Falls City

In September in Falls City, the average temperature is 16°C (62°F). Maximum temperatures can reach as high as 35°C (96°F), while minimums can drop to around 4°C (39°F). When traveling during this month, be sure to pack both light clothing for the warmth and layers for the cooler evenings.

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 16°C (62°F), with highs reaching up to 35°C (96°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec414144495561656661524641
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 64 mm (2.5 in) accumulated over a period of 7 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 64 mm (2.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec19318614512563504664100169207
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 16°C (62°F), this humidity feels like a warm, damp embrace, making it a bit uncomfortable for traveling unless you're accustomed to such conditions.

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.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236710101097532
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 Weather5°C (42°F)193 mm (7.6 inches)85%low
February Weather5°C (41°F)186 mm (7.3 inches)84%moderate
March Weather7°C (45°F)145 mm (5.7 inches)85%high
April Weather9°C (49°F)125 mm (4.9 inches)83%high
May Weather13°C (55°F)63 mm (2.5 inches)83%very high
June Weather16°C (61°F)50 mm (2.0 inches)83%very high
July Weather18°C (65°F)4 mm (0.2 inches)82%very high
August Weather19°C (66°F)6 mm (0.2 inches)74%very high
September Weather16°C (62°F)64 mm (2.5 inches)71%high
October Weather11°C (52°F)100 mm (3.9 inches)81%moderate
November Weather8°C (46°F)169 mm (6.7 inches)87%moderate
December Weather5°C (41°F)207 mm (8.2 inches)87%low

Compare Falls City's Climate with Cities Worldwide