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September Weather in Byram, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Byram, United Kingdom is a pleasant 14°C (58°F), with lows dipping to 4°C (40°F) and highs reaching up to 28°C (83°F). Expect about 58 mm (2.3 in) of precipitation over 12 days, accompanied by a relatively high average humidity of 85%. Prepare accordingly to enjoy your time in this charming locale!

September Temperature in Byram

In September in Byram, the average temperature is 14°C (58°F), with maximums reaching 28°C (83°F) and minimums dropping to as low as 4°C (40°F). This climate makes Byram an ideal destination for travelers looking to enjoy mild weather and pleasant outdoor activities.

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

The chart illustrates September temperature patterns in Byram, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Byram, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414245485459636258524642
Data source: Temperature data for Byram 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 Byram

In Byram in September, the precipitation amount is 58 mm (2.3 in) spread over 12 days.

September Precipitation Trends in Byram

The chart displays monthly precipitation patterns in Byram, 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 Byram, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec496864366076717458825972
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Byram

In Byram 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 Byram

This chart illustrates the average monthly humidity levels in Byram, 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 Byram is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Byram

In Byram 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 Byram.

Maximum UV Index Levels in Byram for September

The chart shows the monthly maximum UV Index (UVI) for Byram 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 Byram typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Byram 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 Byram Compares to Other Months

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

This table compares monthly weather conditions in Byram, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)49 mm (1.9 inches)90%low
February Weather6°C (43°F)68 mm (2.7 inches)88%low
March Weather7°C (45°F)64 mm (2.5 inches)86%moderate
April Weather9°C (48°F)36 mm (1.4 inches)84%moderate
May Weather12°C (54°F)60 mm (2.4 inches)80%high
June Weather15°C (60°F)76 mm (3.0 inches)81%very high
July Weather17°C (63°F)71 mm (2.8 inches)76%very high
August Weather17°C (62°F)74 mm (2.9 inches)77%high
September Weather14°C (58°F)58 mm (2.3 inches)85%moderate
October Weather11°C (53°F)82 mm (3.2 inches)90%moderate
November Weather8°C (46°F)59 mm (2.3 inches)92%low
December Weather6°C (43°F)72 mm (2.8 inches)90%low

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