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September Weather in Broken Arrow, United States

Last updated: June 24, 2025

In September, the average temperature in Broken Arrow, United States is a pleasant 25°C (76°F). Temperatures can range from a cool 8°C (46°F) to a warm 36°C (98°F). Be prepared for some rain, as precipitation averages 87 mm (3.4 in) over about 7 days. The average humidity sits at 64%, adding a touch of moisture to the air.

September Temperature in Broken Arrow

In September in Broken Arrow, the average temperature is 25°C (76°F). Maximum can reach 36°C (98°F) and minimum can be as low as 8°C (46°F). This makes it a great time to visit, as you can enjoy warm days while also being prepared for cooler evenings.

September Weather in Broken Arrow: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Broken Arrow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Broken Arrow, September typically has an average temperature of 25°C (76°F), with highs reaching up to 36°C (98°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec394154607079838176625045
Data source: Temperature data for Broken Arrow 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 Broken Arrow

In Broken Arrow in September, the precipitation amount is 87 mm (3.4 in) over a span of 7 days.

September Precipitation Trends in Broken Arrow

The chart displays monthly precipitation patterns in Broken Arrow, 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 Broken Arrow, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec817811516319410192122871425556
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Broken Arrow

In Broken Arrow in September humidity is 64%. With an average temperature of 25°C (76°F), this humidity feels like a warm embrace, making it a perfect time for leisurely strolls and outdoor adventures, but travelers should stay hydrated and take occasional breaks to avoid feeling sticky or overheated.

September Average Humidity in Broken Arrow

This chart illustrates the average monthly humidity levels in Broken Arrow, 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 Broken Arrow is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Broken Arrow

In Broken Arrow 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 Broken Arrow.

Maximum UV Index Levels in Broken Arrow for September

The chart shows the monthly maximum UV Index (UVI) for Broken Arrow 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 Broken Arrow typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Broken Arrow 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 Broken Arrow Compares to Other Months

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

This table compares monthly weather conditions in Broken Arrow, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)81 mm (3.2 inches)79%moderate
February Weather5°C (42°F)78 mm (3.1 inches)78%high
March Weather12°C (54°F)115 mm (4.5 inches)75%high
April Weather15°C (60°F)162 mm (6.4 inches)75%very high
May Weather21°C (70°F)194 mm (7.6 inches)83%very high
June Weather26°C (79°F)101 mm (4.0 inches)81%extreme
July Weather28°C (83°F)92 mm (3.6 inches)78%extreme
August Weather27°C (81°F)122 mm (4.8 inches)68%very high
September Weather25°C (76°F)87 mm (3.4 inches)64%very high
October Weather17°C (63°F)142 mm (5.6 inches)71%high
November Weather10°C (51°F)55 mm (2.2 inches)82%moderate
December Weather7°C (45°F)56 mm (2.2 inches)87%moderate

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