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September Weather in Strawn, United States

Last updated: June 24, 2025

In September, the average temperature in Strawn, United States is a warm 26°C (79°F), but temperatures can vary significantly, with minimums dipping to 8°C (47°F) and soaring to a maximum of 38°C (101°F). During this time, you can expect about 92 mm (3.6 in) of precipitation spread over 7 days, coupled with an average humidity of 64%, creating a vibrant and lush atmosphere. Enjoy the temperate climate and prepare for the occasional shower!

September Temperature in Strawn

In September in Strawn, the average temperature is 26°C (79°F). Maximum temperatures can reach as high as 38°C (101°F), while minimums can drop to as low as 8°C (47°F). Be prepared for warm days and cooler evenings when traveling to Strawn during this month.

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

The chart illustrates September temperature patterns in Strawn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Strawn, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec464860657582868579675651
Data source: Temperature data for Strawn 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 Strawn

In Strawn in September, the precipitation amount is 92 mm (3.6 in) over the course of 7 days.

September Precipitation Trends in Strawn

The chart displays monthly precipitation patterns in Strawn, 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 Strawn, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec3957788010864345492983336
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Strawn

In Strawn in September, humidity is 64%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air clings to your skin and the heat amplifies.

September Average Humidity in Strawn

This chart illustrates the average monthly humidity levels in Strawn, 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 Strawn is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Strawn

In Strawn 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 Strawn.

Maximum UV Index Levels in Strawn for September

The chart shows the monthly maximum UV Index (UVI) for Strawn 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 Strawn typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Strawn 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 Strawn Compares to Other Months

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

This table compares monthly weather conditions in Strawn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)38 mm (1.5 inches)77%moderate
February Weather9°C (49°F)57 mm (2.3 inches)76%high
March Weather16°C (60°F)78 mm (3.1 inches)74%very high
April Weather19°C (66°F)80 mm (3.1 inches)75%very high
May Weather24°C (75°F)108 mm (4.3 inches)80%extreme
June Weather28°C (82°F)64 mm (2.5 inches)80%extreme
July Weather30°C (86°F)34 mm (1.4 inches)75%extreme
August Weather30°C (85°F)54 mm (2.1 inches)67%extreme
September Weather26°C (79°F)92 mm (3.6 inches)64%very high
October Weather19°C (67°F)98 mm (3.9 inches)70%very high
November Weather13°C (56°F)33 mm (1.3 inches)82%high
December Weather11°C (51°F)36 mm (1.4 inches)85%moderate

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