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September Weather in Hays, United States

Last updated: June 24, 2025

In September, the average temperature in Hays, United States hovers around 14°C (58°F). This month can bring a wide range of temperatures, with a minimum of -2°C (28°F) and a maximum reaching 33°C (92°F). Expect 53 mm (2.1 in) of precipitation over approximately 5 days, contributing to an average humidity of 67%. Stay prepared for a mix of weather conditions!

September Temperature in Hays

In September in Hays, the average temperature is 14°C (58°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures during your travels in Hays this month.

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

The chart illustrates September temperature patterns in Hays, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hays, September typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec231631415364726958433325
Data source: Temperature data for Hays 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 Hays

In Hays in September, the precipitation amount is 53 mm (2.1 in) during a span of 5 days.

September Precipitation Trends in Hays

The chart displays monthly precipitation patterns in Hays, 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 Hays, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec153423375161133153292722
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hays

In Hays in September, humidity is 67%. With an average temperature of 14°C (58°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the moist air.

September Average Humidity in Hays

This chart illustrates the average monthly humidity levels in Hays, 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 Hays is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%77%72%75%78%79%76%67%69%78%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hays

In Hays in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hays.

Maximum UV Index Levels in Hays for September

The chart shows the monthly maximum UV Index (UVI) for Hays 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 Hays typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810997532
Data source: Hays 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 Hays Compares to Other Months

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

This table compares monthly weather conditions in Hays, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)15 mm (0.6 inches)81%low
February Weather-9°C (16°F)34 mm (1.3 inches)85%moderate
March Weather0°C (31°F)23 mm (0.9 inches)77%moderate
April Weather5°C (41°F)37 mm (1.4 inches)72%high
May Weather12°C (53°F)51 mm (2.0 inches)75%very high
June Weather18°C (64°F)61 mm (2.4 inches)78%very high
July Weather22°C (72°F)13 mm (0.5 inches)79%very high
August Weather20°C (69°F)31 mm (1.2 inches)76%very high
September Weather14°C (58°F)53 mm (2.1 inches)67%high
October Weather6°C (43°F)29 mm (1.1 inches)69%moderate
November Weather1°C (34°F)27 mm (1.1 inches)78%moderate
December Weather-4°C (26°F)22 mm (0.9 inches)85%low

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