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September Weather in Dubois, United States

Last updated: June 24, 2025

In September, the average temperature in Dubois, United States hovers around 8°C (46°F). Temperature extremes can range from a chilly -19°C (-2°F) to a warm 26°C (79°F). During this time, expect around 57 mm (2.2 in) of precipitation spread over 7 days, with an average humidity level of 59%. Stay prepared for a mix of cool and mild days!

September Temperature in Dubois

In September in Dubois, the average temperature is 8°C (46°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop to as low as -19°C (-2°F). Be prepared for a wide range of weather conditions when traveling to Dubois this month.

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

The chart illustrates September temperature patterns in Dubois, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dubois, September typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec151524283648575546292114
Data source: Temperature data for Dubois 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 Dubois

In Dubois in September, the precipitation amount is 57 mm (2.2 in) over the course of 7 days.

September Precipitation Trends in Dubois

The chart displays monthly precipitation patterns in Dubois, 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 Dubois, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec438654878350454357565850
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dubois

In Dubois in September humidity is 59%. With an average temperature of 8°C (46°F), this humidity feels like a crisp chill in the air, creating a refreshing atmosphere that's invigorating for traveling, though it may require a light jacket and some preparation for wet weather.

September Average Humidity in Dubois

This chart illustrates the average monthly humidity levels in Dubois, 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 Dubois is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%82%72%69%67%65%59%59%69%83%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dubois

In Dubois 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 Dubois.

Maximum UV Index Levels in Dubois for September

The chart shows the monthly maximum UV Index (UVI) for Dubois 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 Dubois typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35810121312119643
Data source: Dubois 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 Dubois Compares to Other Months

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

This table compares monthly weather conditions in Dubois, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)43 mm (1.7 inches)90%moderate
February Weather-9°C (15°F)86 mm (3.4 inches)89%moderate
March Weather-5°C (24°F)54 mm (2.1 inches)82%very high
April Weather-2°C (29°F)87 mm (3.4 inches)72%very high
May Weather2°C (36°F)83 mm (3.3 inches)69%extreme
June Weather9°C (48°F)50 mm (2.0 inches)67%extreme
July Weather14°C (58°F)45 mm (1.8 inches)65%extreme
August Weather13°C (55°F)43 mm (1.7 inches)59%extreme
September Weather8°C (46°F)57 mm (2.2 inches)59%very high
October Weather-2°C (29°F)56 mm (2.2 inches)69%high
November Weather-6°C (21°F)58 mm (2.3 inches)83%moderate
December Weather-10°C (15°F)50 mm (2.0 inches)89%moderate

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