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September Weather in Allen Park, United States

Last updated: June 24, 2025

In September, the average temperature in Allen Park, United States is a pleasant 19°C (67°F). However, be prepared for a range, as temperatures can dip to a minimum of 4°C (40°F) or soar up to a maximum of 33°C (92°F). Rainfall is moderate, with 61 mm (2.4 in) spread over about 10 days, and the air tends to be quite humid, averaging around 80%.

September Temperature in Allen Park

In September in Allen Park, the average temperature is 19°C (67°F). Maximums can reach 33°C (92°F) while minimums can be as low as 4°C (40°F). This range makes it an ideal time for travelers to enjoy a variety of outdoor activities while also being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Allen Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allen Park, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec282937475970757367554033
Data source: Temperature data for Allen Park 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 Allen Park

In Allen Park in September, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.

September Precipitation Trends in Allen Park

The chart displays monthly precipitation patterns in Allen Park, 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 Allen Park, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec68697389114828675611008259
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Allen Park

In Allen Park in September humidity is 80%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor exploration a bit uncomfortable and sticky, yet it encourages you to seek out refreshing indoor activities or shaded spots to escape the heat.

September Average Humidity in Allen Park

This chart illustrates the average monthly humidity levels in Allen Park, 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 Allen Park is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Allen Park

In Allen Park 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 Allen Park.

Maximum UV Index Levels in Allen Park for September

The chart shows the monthly maximum UV Index (UVI) for Allen Park 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 Allen Park typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101098542
Data source: Allen Park 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 Allen Park Compares to Other Months

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

This table compares monthly weather conditions in Allen Park, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)68 mm (2.7 inches)88%low
February Weather-2°C (29°F)69 mm (2.7 inches)87%moderate
March Weather3°C (37°F)73 mm (2.9 inches)85%moderate
April Weather8°C (47°F)89 mm (3.5 inches)86%very high
May Weather15°C (60°F)114 mm (4.5 inches)80%very high
June Weather21°C (71°F)82 mm (3.2 inches)80%very high
July Weather24°C (76°F)86 mm (3.4 inches)80%very high
August Weather23°C (74°F)75 mm (3.0 inches)80%very high
September Weather19°C (67°F)61 mm (2.4 inches)80%very high
October Weather13°C (55°F)100 mm (3.9 inches)84%moderate
November Weather4°C (40°F)81 mm (3.2 inches)89%moderate
December Weather1°C (33°F)59 mm (2.3 inches)86%low

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