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September Weather in Hoopeston, United States

Last updated: June 24, 2025

In September, the average temperature in Hoopeston, United States is a pleasant 21°C (70°F). However, be prepared for temperature swings, as it can dip to a minimum of 5°C (42°F) and rise to a maximum of 34°C (93°F). During this month, precipitation averages 83 mm (3.3 in) over 8 days, accompanied by a typical humidity level of 80%.

September Temperature in Hoopeston

In September in Hoopeston, the average temperature is 21°C (70°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 5°C (42°F). This range makes Hoopeston a perfect destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Hoopeston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hoopeston, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec283042526474777470574135
Data source: Temperature data for Hoopeston 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 Hoopeston

In Hoopeston in September, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

September Precipitation Trends in Hoopeston

The chart displays monthly precipitation patterns in Hoopeston, 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 Hoopeston, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec747511111715210985107831217357
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hoopeston

In Hoopeston in September humidity is 80%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can make even short walks feel draining, urging travelers to seek shade or a cool drink frequently.

September Average Humidity in Hoopeston

This chart illustrates the average monthly humidity levels in Hoopeston, 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 Hoopeston is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hoopeston

In Hoopeston 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 Hoopeston.

Maximum UV Index Levels in Hoopeston for September

The chart shows the monthly maximum UV Index (UVI) for Hoopeston 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 Hoopeston typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Hoopeston 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 Hoopeston Compares to Other Months

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

This table compares monthly weather conditions in Hoopeston, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)74 mm (2.9 inches)82%moderate
February Weather-1°C (31°F)75 mm (2.9 inches)83%moderate
March Weather5°C (42°F)111 mm (4.4 inches)84%high
April Weather11°C (52°F)117 mm (4.6 inches)85%very high
May Weather18°C (64°F)152 mm (6.0 inches)79%very high
June Weather23°C (74°F)109 mm (4.3 inches)82%extreme
July Weather25°C (77°F)85 mm (3.3 inches)80%very high
August Weather23°C (74°F)107 mm (4.2 inches)81%very high
September Weather21°C (70°F)83 mm (3.3 inches)80%very high
October Weather14°C (57°F)121 mm (4.8 inches)82%high
November Weather5°C (41°F)73 mm (2.9 inches)88%moderate
December Weather2°C (35°F)57 mm (2.2 inches)84%low

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