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September Weather in Hereford, United States

Last updated: June 24, 2025

In Hereford, United States, the average temperature in September is a pleasant 22°C (71°F). However, temperatures can vary significantly, ranging from a cool 2°C (36°F) to a scorching 37°C (98°F). Visitors should also be prepared for 32 mm (1.3 in) of precipitation over approximately 6 days throughout the month, with an average humidity of 76%, creating a comfortably warm atmosphere.

September Temperature in Hereford

In September in Hereford, the average temperature is 22°C (71°F). Maximums can reach 37°C (98°F), and minimums can be as low as 2°C (36°F). Be prepared for a range of temperatures and pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Hereford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hereford, September typically has an average temperature of 22°C (71°F), with highs reaching up to 37°C (98°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec394151586877807771584841
Data source: Temperature data for Hereford 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 Hereford

In Hereford in September, the total precipitation amount is 32 mm (1.3 in) over the course of 6 days.

September Precipitation Trends in Hereford

The chart displays monthly precipitation patterns in Hereford, 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 Hereford, September typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec19113823493023473256108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hereford

In Hereford in September, humidity is 76%. With an average temperature of 22°C (71°F), this humidity feels like traveling through a warm, dense mist that clings to your skin, making every step feel heavier and the air seem thicker, which can be quite draining for outdoor activities.

September Average Humidity in Hereford

This chart illustrates the average monthly humidity levels in Hereford, 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 Hereford is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hereford

In Hereford 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 Hereford.

Maximum UV Index Levels in Hereford for September

The chart shows the monthly maximum UV Index (UVI) for Hereford 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 Hereford typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121210864
Data source: Hereford 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 Hereford Compares to Other Months

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

This table compares monthly weather conditions in Hereford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)19 mm (0.7 inches)74%moderate
February Weather5°C (41°F)11 mm (0.4 inches)75%high
March Weather11°C (52°F)38 mm (1.5 inches)61%very high
April Weather14°C (58°F)23 mm (0.9 inches)61%extreme
May Weather20°C (68°F)49 mm (1.9 inches)69%extreme
June Weather25°C (77°F)30 mm (1.2 inches)74%extreme
July Weather26°C (80°F)23 mm (0.9 inches)75%extreme
August Weather25°C (78°F)47 mm (1.8 inches)78%extreme
September Weather22°C (71°F)32 mm (1.3 inches)76%very high
October Weather14°C (58°F)56 mm (2.2 inches)76%very high
November Weather9°C (49°F)10 mm (0.4 inches)80%high
December Weather5°C (42°F)8 mm (0.3 inches)77%moderate

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