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September Weather in Broken Bow, United States

Last updated: June 24, 2025

In September, the average temperature in Broken Bow, United States hovers around 19°C (67°F). Expect a minimum of 3°C (37°F) and a maximum soaring to 35°C (95°F). Be prepared for some rain, as precipitation averages 68 mm (2.7 in) across 6 days, with humidity levels reaching a comfortable 77%.

September Temperature in Broken Bow

In September in Broken Bow, the average temperature is 19°C (67°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 3°C (37°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Broken Bow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Broken Bow, September typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec262438465872757266483930
Data source: Temperature data for Broken Bow 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 Bow

In Broken Bow in September, the precipitation amount is 68 mm (2.7 in) spread over the course of 6 days.

September Precipitation Trends in Broken Bow

The chart displays monthly precipitation patterns in Broken Bow, 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 Bow, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2023715213586878068592636
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Broken Bow

In Broken Bow in September, humidity is 77%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel slightly more challenging as the air clings to your skin, turning every step into a leisurely stroll through a sauna.

September Average Humidity in Broken Bow

This chart illustrates the average monthly humidity levels in Broken Bow, 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 Bow is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Broken Bow

In Broken Bow 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 Broken Bow.

Maximum UV Index Levels in Broken Bow for September

The chart shows the monthly maximum UV Index (UVI) for Broken Bow 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 Bow typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111108643
Data source: Broken Bow 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 Bow Compares to Other Months

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

This table compares monthly weather conditions in Broken Bow, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)20 mm (0.8 inches)73%moderate
February Weather-4°C (24°F)23 mm (0.9 inches)81%moderate
March Weather3°C (38°F)71 mm (2.8 inches)69%high
April Weather8°C (46°F)52 mm (2.0 inches)71%very high
May Weather14°C (58°F)135 mm (5.3 inches)80%very high
June Weather22°C (72°F)86 mm (3.4 inches)83%extreme
July Weather24°C (76°F)87 mm (3.4 inches)84%extreme
August Weather22°C (73°F)80 mm (3.1 inches)84%very high
September Weather19°C (67°F)68 mm (2.7 inches)77%very high
October Weather9°C (49°F)59 mm (2.3 inches)72%high
November Weather4°C (39°F)26 mm (1.0 inches)80%moderate
December Weather-1°C (30°F)36 mm (1.4 inches)79%moderate

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