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September Weather in Arcola, United States

Last updated: June 24, 2025

In September, the average temperature in Arcola, United States is a pleasant 21°C (71°F). Expect a range that dips to a minimum of 6°C (42°F) and can rise up to a maximum of 34°C (93°F). During this month, precipitation averages around 80 mm (3.1 in) over 7 days, contributing to an average humidity of 79%. Enjoy the mild weather while staying prepared for occasional rain!

September Temperature in Arcola

In September in Arcola, the average temperature is 21°C (71°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 6°C (42°F). This diverse range of temperatures makes it a favorable time for travelers to enjoy outdoor activities and explore the local attractions comfortably.

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

The chart illustrates September temperature patterns in Arcola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arcola, September typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec293243536675777471584236
Data source: Temperature data for Arcola 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 Arcola

In Arcola in September, the precipitation amount is 80 mm (3.1 in) during a span of 7 days.

September Precipitation Trends in Arcola

The chart displays monthly precipitation patterns in Arcola, 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 Arcola, September typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec8077118113138104104112801188058
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arcola

In Arcola in September humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.

September Average Humidity in Arcola

This chart illustrates the average monthly humidity levels in Arcola, 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 Arcola is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arcola

In Arcola 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 Arcola.

Maximum UV Index Levels in Arcola for September

The chart shows the monthly maximum UV Index (UVI) for Arcola 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 Arcola typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Arcola 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 Arcola Compares to Other Months

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

This table compares monthly weather conditions in Arcola, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)80 mm (3.1 inches)84%moderate
February Weather0°C (33°F)77 mm (3.0 inches)82%moderate
March Weather6°C (44°F)118 mm (4.7 inches)84%high
April Weather12°C (53°F)113 mm (4.5 inches)83%very high
May Weather19°C (66°F)138 mm (5.4 inches)80%very high
June Weather24°C (75°F)104 mm (4.1 inches)83%extreme
July Weather25°C (78°F)104 mm (4.1 inches)82%very high
August Weather23°C (75°F)112 mm (4.4 inches)82%very high
September Weather21°C (71°F)80 mm (3.1 inches)79%very high
October Weather14°C (58°F)118 mm (4.7 inches)79%high
November Weather5°C (42°F)80 mm (3.2 inches)88%moderate
December Weather2°C (36°F)58 mm (2.3 inches)87%moderate

Compare Arcola's Climate with Cities Worldwide