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September Weather in Blacon, United Kingdom

Last updated: August 27, 2025

In Blacon, United Kingdom, the average temperature in September hovers around 14°C (58°F). Expect a range between a chilly 3°C (37°F) and a warm 27°C (81°F). During this month, prepare for about 93 mm (3.7 in) of precipitation, typically spread across 14 days, with an average humidity of 85%.

September Temperature in Blacon

In September in Blacon, the average temperature is 14°C (58°F). Maximums can reach 27°C (81°F) and minimums can be as low as 3°C (37°F). It's a great time to explore Blacon with mild weather, making outdoor activities enjoyable.

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

The chart illustrates September temperature patterns in Blacon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blacon, September typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (81°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345485460626157524743
Data source: Temperature data for Blacon 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 Blacon

In Blacon, in September, the precipitation amount is 93 mm (3.7 in) over the course of 14 days.

September Precipitation Trends in Blacon

The chart displays monthly precipitation patterns in Blacon, 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 Blacon, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6474825168929710293947696
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Blacon

In Blacon in September, humidity is 85%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making even short walks feel heavy and exhausting for traveling.

September Average Humidity in Blacon

This chart illustrates the average monthly humidity levels in Blacon, 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 Blacon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Blacon

In Blacon in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Blacon.

Maximum UV Index Levels in Blacon for September

The chart shows the monthly maximum UV Index (UVI) for Blacon 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 Blacon typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875421
Data source: Blacon 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 Blacon Compares to Other Months

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

This table compares monthly weather conditions in Blacon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)63 mm (2.5 inches)89%low
February Weather6°C (43°F)74 mm (2.9 inches)88%low
March Weather7°C (45°F)82 mm (3.2 inches)86%moderate
April Weather9°C (49°F)51 mm (2.0 inches)84%moderate
May Weather12°C (54°F)68 mm (2.7 inches)79%high
June Weather15°C (60°F)92 mm (3.6 inches)81%very high
July Weather17°C (63°F)97 mm (3.8 inches)78%very high
August Weather16°C (62°F)102 mm (4.0 inches)79%high
September Weather14°C (58°F)93 mm (3.7 inches)85%moderate
October Weather11°C (53°F)94 mm (3.7 inches)90%moderate
November Weather8°C (47°F)76 mm (3.0 inches)91%low
December Weather6°C (44°F)96 mm (3.8 inches)89%low

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