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September Weather in Witney, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Witney, United Kingdom hovers around 14°C (58°F). Expect a minimum of 2°C (36°F) and a maximum reach of 29°C (84°F). This month sees an average precipitation of 59 mm (2.3 in) spread over 9 days, with an average humidity of 82%.

September Temperature in Witney

In September, Witney experiences an average temperature of 14°C (58°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as 2°C (36°F). Overall, it's advisable to pack layers to accommodate the varying temperatures while exploring this destination.

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

The chart illustrates September temperature patterns in Witney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Witney, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485460646258524543
Data source: Temperature data for Witney 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 Witney

In Witney in September, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

September Precipitation Trends in Witney

The chart displays monthly precipitation patterns in Witney, 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 Witney, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec525565427477697559956186
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Witney

In Witney in September, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

September Average Humidity in Witney

This chart illustrates the average monthly humidity levels in Witney, 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 Witney is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Witney

In Witney in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Witney, you can refer to this Hourly UV Index in Witney.

Maximum UV Index Levels in Witney for September

The chart shows the monthly maximum UV Index (UVI) for Witney 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 Witney typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Witney 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 Witney Compares to Other Months

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

This table compares monthly weather conditions in Witney, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.0 inches)91%low
February Weather6°C (42°F)55 mm (2.2 inches)89%low
March Weather7°C (45°F)65 mm (2.6 inches)86%moderate
April Weather9°C (48°F)42 mm (1.6 inches)85%high
May Weather12°C (54°F)74 mm (2.9 inches)79%high
June Weather16°C (61°F)77 mm (3.0 inches)80%very high
July Weather18°C (64°F)69 mm (2.7 inches)71%very high
August Weather17°C (63°F)74 mm (2.9 inches)76%high
September Weather14°C (58°F)59 mm (2.3 inches)82%high
October Weather11°C (52°F)95 mm (3.7 inches)90%moderate
November Weather7°C (46°F)61 mm (2.4 inches)92%low
December Weather6°C (43°F)86 mm (3.4 inches)92%low

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