September Weather in Glencoe, United States

Last updated: June 24, 2025

In September, the average temperature in Glencoe, United States hovers around 24°C (76°F), creating a pleasant atmosphere for outdoor activities. However, be prepared for fluctuations, as temperatures can dip to a cool 7°C (44°F) and soar to a steamy 37°C (100°F). During this month, expect about 84 mm (3.3 in) of precipitation over 6 days, contributing to an average humidity level of 67%. Make sure to pack accordingly!

September Temperature in Glencoe

In September in Glencoe, the average temperature is 24°C (76°F). Maximums can reach 37°C (100°F), while minimums can dip as low as 7°C (44°F). Overall, it's a great time to visit Glencoe for those who enjoy a warm climate with a variety of temperature experiences.

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

The chart illustrates September temperature patterns in Glencoe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glencoe, September typically has an average temperature of 24°C (76°F), with highs reaching up to 37°C (100°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec384053596979828076614943
Data source: Temperature data for Glencoe 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 Glencoe

In Glencoe in September, the precipitation amount is 84 mm (3.3 in) accumulated over the course of 6 days.

September Precipitation Trends in Glencoe

The chart displays monthly precipitation patterns in Glencoe, 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 Glencoe, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5542901041491048099841103436
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Glencoe

In Glencoe in September humidity is 67%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace, making travel slightly more challenging as you navigate through the thick air.

September Average Humidity in Glencoe

This chart illustrates the average monthly humidity levels in Glencoe, 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 Glencoe is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%71%74%83%83%81%73%67%72%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Glencoe

In Glencoe 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 Glencoe.

Maximum UV Index Levels in Glencoe for September

The chart shows the monthly maximum UV Index (UVI) for Glencoe 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 Glencoe typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Glencoe 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 Glencoe Compares to Other Months

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

This table compares monthly weather conditions in Glencoe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)55 mm (2.2 inches)77%moderate
February Weather4°C (40°F)42 mm (1.6 inches)76%high
March Weather11°C (53°F)90 mm (3.5 inches)71%high
April Weather15°C (59°F)104 mm (4.1 inches)73%very high
May Weather21°C (69°F)149 mm (5.9 inches)83%very high
June Weather26°C (79°F)104 mm (4.1 inches)83%extreme
July Weather28°C (83°F)80 mm (3.2 inches)81%extreme
August Weather27°C (81°F)99 mm (3.9 inches)73%very high
September Weather24°C (76°F)84 mm (3.3 inches)67%very high
October Weather16°C (61°F)110 mm (4.3 inches)72%high
November Weather10°C (50°F)34 mm (1.3 inches)82%moderate
December Weather6°C (43°F)35 mm (1.4 inches)85%moderate

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