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September Weather in Columbia City, United States

Last updated: June 24, 2025

In September, the average temperature in Columbia City, United States is a pleasant 20°C (67°F), with a minimum dipping to 4°C (39°F) and a maximum soaring to 32°C (91°F). Expect about 70 mm (2.8 in) of precipitation over 8 days, and don't forget to bring your umbrella, as the average humidity sits at a cozy 78%!

September Temperature in Columbia City

In September in Columbia City, the average temperature is 20°C (67°F). Maximum temperatures can reach 32°C (91°F), while minimums can drop to as low as 4°C (39°F). This makes Columbia City an ideal destination for travelers seeking a pleasant climate with a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Columbia City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbia City, September typically has an average temperature of 20°C (67°F), with highs reaching up to 32°C (91°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec282939496272757367554034
Data source: Temperature data for Columbia 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 Columbia City

In Columbia City in September, the total precipitation amount is 70 mm (2.8 in), spread over the course of 8 days.

September Precipitation Trends in Columbia City

The chart displays monthly precipitation patterns in Columbia 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 Columbia City, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec737710498132116112104701128261
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Columbia City

In Columbia City in September humidity is 78%. With an average temperature of 20°C (67°F), this humidity feels like walking through a warm, thick blanket, making travel a bit sticky and requiring frequent breaks to find shade and cool refreshments.

September Average Humidity in Columbia City

This chart illustrates the average monthly humidity levels in Columbia 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 Columbia City 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 Columbia City

In Columbia City 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 Columbia City.

Maximum UV Index Levels in Columbia City for September

The chart shows the monthly maximum UV Index (UVI) for Columbia 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 Columbia City typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Columbia 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 Columbia City Compares to Other Months

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

This table compares monthly weather conditions in Columbia City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)73 mm (2.9 inches)85%moderate
February Weather-1°C (30°F)77 mm (3.0 inches)85%moderate
March Weather4°C (40°F)104 mm (4.1 inches)86%high
April Weather9°C (49°F)98 mm (3.8 inches)87%very high
May Weather16°C (62°F)132 mm (5.2 inches)81%very high
June Weather22°C (72°F)116 mm (4.6 inches)82%very high
July Weather24°C (76°F)112 mm (4.4 inches)81%very high
August Weather23°C (73°F)104 mm (4.1 inches)79%very high
September Weather20°C (67°F)70 mm (2.8 inches)78%very high
October Weather13°C (56°F)112 mm (4.4 inches)81%high
November Weather5°C (40°F)82 mm (3.2 inches)89%moderate
December Weather1°C (34°F)61 mm (2.4 inches)86%low

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