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September Weather in Great Horwood, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Great Horwood, United Kingdom hovers around 15°C (59°F), with minimums dipping to 3°C (37°F) and highs reaching up to 29°C (84°F). Expect about 56 mm (2.2 in) of precipitation over 10 days, making humidity quite high at an average of 82%. Stay prepared for a mix of weather!

September Temperature in Great Horwood

In September, in Great Horwood, the average temperature is 15°C (59°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as 3°C (37°F). It's a great time for travelers to enjoy mild weather and a variety of outdoor activities.

September Weather in Great Horwood: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Great Horwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Great Horwood, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646358524543
Data source: Temperature data for Great Horwood 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 Great Horwood

In Great Horwood in September, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

September Precipitation Trends in Great Horwood

The chart displays monthly precipitation patterns in Great Horwood, 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 Great Horwood, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec535060376574657156925881
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Great Horwood

In Great Horwood in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in Great Horwood

This chart illustrates the average monthly humidity levels in Great Horwood, 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 Great Horwood 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 Great Horwood

In Great Horwood 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 Great Horwood, you can refer to this Hourly UV Index in Great Horwood.

Maximum UV Index Levels in Great Horwood for September

The chart shows the monthly maximum UV Index (UVI) for Great Horwood 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 Great Horwood typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Great Horwood 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 Great Horwood Compares to Other Months

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

This table compares monthly weather conditions in Great Horwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)53 mm (2.1 inches)91%low
February Weather6°C (42°F)50 mm (2.0 inches)89%low
March Weather7°C (45°F)60 mm (2.4 inches)86%moderate
April Weather9°C (49°F)37 mm (1.5 inches)85%moderate
May Weather12°C (55°F)65 mm (2.5 inches)79%high
June Weather16°C (61°F)74 mm (2.9 inches)80%very high
July Weather18°C (65°F)65 mm (2.6 inches)71%very high
August Weather17°C (63°F)71 mm (2.8 inches)76%high
September Weather15°C (59°F)56 mm (2.2 inches)82%high
October Weather11°C (52°F)92 mm (3.6 inches)90%moderate
November Weather7°C (46°F)58 mm (2.3 inches)92%low
December Weather6°C (43°F)81 mm (3.2 inches)92%low

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