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September Weather in Park Ridge, United States

Last updated: June 24, 2025

In September, the average temperature in Park Ridge, United States hovers around 17°C (62°F). Temperatures can vary from a chilly 1°C (34°F) to a warm 33°C (91°F), making it a month of contrasts. Expect around 97 mm (3.8 in) of precipitation over 10 days, with humidity levels at a comfortable 78%. Embrace the diverse weather this month has to offer!

September Temperature in Park Ridge

In September in Park Ridge, the average temperature is 17°C (62°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 1°C (34°F). This makes Park Ridge a great destination for travelers looking to experience diverse weather conditions during their trip.

September Weather in Park Ridge: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Park Ridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Park Ridge, September typically has an average temperature of 17°C (62°F), with highs reaching up to 33°C (91°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec181833435768726962483425
Data source: Temperature data for Park Ridge 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 Park Ridge

In Park Ridge in September, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Park Ridge

The chart displays monthly precipitation patterns in Park Ridge, 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 Park Ridge, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec37515997106114122134971074951
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Park Ridge

In Park Ridge in September, humidity is 78%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping blanket, making travel feel a bit sticky and heavy but also refreshing, as long as you're prepared with light clothing and plenty of water.

September Average Humidity in Park Ridge

This chart illustrates the average monthly humidity levels in Park Ridge, 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 Park Ridge is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Park Ridge

In Park Ridge in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Park Ridge.

Maximum UV Index Levels in Park Ridge for September

The chart shows the monthly maximum UV Index (UVI) for Park Ridge 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 Park Ridge typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Park Ridge 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 Park Ridge Compares to Other Months

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

This table compares monthly weather conditions in Park Ridge, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)37 mm (1.5 inches)89%low
February Weather-8°C (19°F)51 mm (2.0 inches)90%moderate
March Weather0°C (33°F)59 mm (2.3 inches)87%moderate
April Weather6°C (43°F)97 mm (3.8 inches)84%very high
May Weather14°C (58°F)106 mm (4.2 inches)77%very high
June Weather20°C (68°F)113 mm (4.5 inches)75%very high
July Weather22°C (72°F)122 mm (4.8 inches)74%very high
August Weather20°C (69°F)134 mm (5.3 inches)73%very high
September Weather17°C (62°F)97 mm (3.8 inches)78%high
October Weather9°C (49°F)107 mm (4.2 inches)84%moderate
November Weather1°C (34°F)49 mm (1.9 inches)89%moderate
December Weather-4°C (25°F)51 mm (2.0 inches)87%low

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