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September Weather in York, United States

Last updated: June 24, 2025

In September, the average temperature in York, United States hovers around 24°C (75°F). Expect a minimum of 9°C (49°F) and a maximum of 35°C (96°F) throughout the month. With an average precipitation of 130 mm (5.1 in) over 8 days, the weather can be quite variable. Additionally, you can anticipate a cozy average humidity level of 75%.

September Temperature in York

In September in York, the average temperature is 24°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dipping as low as 9°C (49°F). This variability makes it an ideal destination for travelers seeking a warm climate with the option for cooler evenings.

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

The chart illustrates September temperature patterns in York, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In York, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec455055637177817975665248
Data source: Temperature data for York 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 York

In York in September, the total precipitation amount is 130 mm (5.1 in) over a span of 8 days.

September Precipitation Trends in York

The chart displays monthly precipitation patterns in York, 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 York, September typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec941209210911284991211309796127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in York

In York in September humidity is 75%. With average temperature 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel especially stifling and leaving you yearning for cool breezes and refreshingly cold drinks.

September Average Humidity in York

This chart illustrates the average monthly humidity levels in York, 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 York is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in York

In York 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 York.

Maximum UV Index Levels in York for September

The chart shows the monthly maximum UV Index (UVI) for York 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 York typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109853
Data source: York 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 York Compares to Other Months

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

This table compares monthly weather conditions in York, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)94 mm (3.7 inches)86%moderate
February Weather10°C (50°F)120 mm (4.7 inches)85%high
March Weather13°C (55°F)92 mm (3.6 inches)84%very high
April Weather17°C (63°F)109 mm (4.3 inches)82%very high
May Weather22°C (71°F)112 mm (4.4 inches)83%very high
June Weather25°C (77°F)84 mm (3.3 inches)82%extreme
July Weather27°C (81°F)99 mm (3.9 inches)80%extreme
August Weather26°C (79°F)121 mm (4.8 inches)74%very high
September Weather24°C (75°F)130 mm (5.1 inches)75%very high
October Weather19°C (66°F)97 mm (3.8 inches)79%very high
November Weather11°C (52°F)96 mm (3.8 inches)87%moderate
December Weather9°C (48°F)127 mm (5.0 inches)87%moderate

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