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September Weather in Oak Creek, United States

Last updated: June 24, 2025

In September, the average temperature in Oak Creek, United States hovers around 13°C (55°F). Be prepared for a temperature range that can drop to a chilly -4°C (24°F) and soar up to a warm 30°C (86°F). Expect about 40 mm (1.6 in) of precipitation over 8 days, coupled with an average humidity of 63%. Make sure to pack accordingly!

September Temperature in Oak Creek

In September in Oak Creek, the average temperature is 13°C (55°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as -4°C (24°F). This varied climate makes it essential to pack layers for your travels.

September Weather in Oak Creek: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Oak Creek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oak Creek, September typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec202230344357646355382720
Data source: Temperature data for Oak Creek 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 Oak Creek

In Oak Creek in September, the precipitation amount is 40 mm (1.6 in), occurring over a span of 8 days.

September Precipitation Trends in Oak Creek

The chart displays monthly precipitation patterns in Oak Creek, 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 Oak Creek, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec658983668144423341705671
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oak Creek

In Oak Creek in September, humidity is 63%. With an average temperature of 13°C (55°F), this humidity feels like a light, misty embrace, making outdoor exploration refreshing yet slightly damp.

September Average Humidity in Oak Creek

This chart illustrates the average monthly humidity levels in Oak Creek, 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 Oak Creek is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%75%67%67%68%62%63%63%72%80%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oak Creek

In Oak Creek in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Oak Creek.

Maximum UV Index Levels in Oak Creek for September

The chart shows the monthly maximum UV Index (UVI) for Oak Creek 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 Oak Creek typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111213121110753
Data source: Oak Creek 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 Oak Creek Compares to Other Months

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

This table compares monthly weather conditions in Oak Creek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)65 mm (2.6 inches)84%moderate
February Weather-6°C (22°F)89 mm (3.5 inches)85%high
March Weather-1°C (30°F)83 mm (3.3 inches)75%very high
April Weather1°C (34°F)66 mm (2.6 inches)67%extreme
May Weather6°C (43°F)81 mm (3.2 inches)67%extreme
June Weather14°C (57°F)44 mm (1.7 inches)68%extreme
July Weather18°C (64°F)42 mm (1.6 inches)62%extreme
August Weather17°C (63°F)33 mm (1.3 inches)63%extreme
September Weather13°C (55°F)40 mm (1.6 inches)63%very high
October Weather3°C (38°F)70 mm (2.8 inches)72%high
November Weather-3°C (28°F)56 mm (2.2 inches)79%moderate
December Weather-7°C (20°F)71 mm (2.8 inches)85%moderate

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