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September Weather in Cranborne, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Cranborne, United Kingdom hovers around 15°C (59°F). Expect minimums as low as 2°C (36°F) and maximums reaching 28°C (82°F). Be prepared for some rain, with approximately 49 mm (1.9 in) of precipitation spread over 9 days. Additionally, the average humidity level sits at a comfortable 82%, making for a unique climate experience!

September Temperature in Cranborne

In September in Cranborne, the average temperature is 15°C (59°F). Maximums can reach 28°C (82°F), and minimums can drop as low as 2°C (36°F). Pack accordingly for a comfortable trip, as temperatures can vary widely throughout the day.

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

The chart illustrates September temperature patterns in Cranborne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cranborne, September typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495461646359534744
Data source: Temperature data for Cranborne 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 Cranborne

In Cranborne in September, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Cranborne

The chart displays monthly precipitation patterns in Cranborne, 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 Cranborne, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5263704370805677491056596
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cranborne

In Cranborne 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 Cranborne

This chart illustrates the average monthly humidity levels in Cranborne, 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 Cranborne 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 Cranborne

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

Maximum UV Index Levels in Cranborne for September

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

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

This table compares monthly weather conditions in Cranborne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)52 mm (2.1 inches)91%low
February Weather6°C (43°F)63 mm (2.5 inches)89%low
March Weather7°C (46°F)70 mm (2.8 inches)86%moderate
April Weather9°C (49°F)43 mm (1.7 inches)85%moderate
May Weather12°C (55°F)70 mm (2.8 inches)79%high
June Weather16°C (61°F)80 mm (3.1 inches)80%very high
July Weather18°C (65°F)56 mm (2.2 inches)71%very high
August Weather17°C (63°F)77 mm (3.0 inches)76%high
September Weather15°C (59°F)49 mm (1.9 inches)82%high
October Weather12°C (53°F)105 mm (4.1 inches)90%moderate
November Weather8°C (47°F)65 mm (2.5 inches)92%low
December Weather7°C (44°F)96 mm (3.8 inches)92%low

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