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September Weather in Langley Park, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Langley Park, United Kingdom hovers around 13°C (55°F). Expect minimums as low as 3°C (37°F) and highs reaching 26°C (79°F). With precipitation totaling 70 mm (2.8 in) over 13 days, it’s wise to prepare for some rainy spells. The average humidity is a notable 87%, making for a truly refreshing atmosphere.

September Temperature in Langley Park

In September in Langley Park, the average temperature is 13°C (55°F), with maximums reaching 26°C (79°F) and minimums dropping as low as 3°C (37°F). This makes Langley Park a pleasant destination for travelers looking to enjoy mild weather during the day while still dressing warmly for the cooler evenings.

September Weather in Langley Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Langley Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Langley Park, September typically has an average temperature of 13°C (55°F), with highs reaching up to 26°C (79°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec394042455157605955504441
Data source: Temperature data for Langley Park 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 Langley Park

In Langley Park in September, the precipitation amount is 70 mm (2.8 in) spread over 13 days.

September Precipitation Trends in Langley Park

The chart displays monthly precipitation patterns in Langley Park, 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 Langley Park, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec568777406387838870926978
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Langley Park

In Langley Park in September, humidity is 87%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making travel sluggish and slightly uncomfortable, as each step seems to cling to the damp air.

September Average Humidity in Langley Park

This chart illustrates the average monthly humidity levels in Langley Park, 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 Langley Park is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%84%83%85%83%82%87%89%90%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Langley Park

In Langley Park 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 Langley Park.

Maximum UV Index Levels in Langley Park for September

The chart shows the monthly maximum UV Index (UVI) for Langley Park 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 Langley Park typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568865321
Data source: Langley Park 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 Langley Park Compares to Other Months

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

This table compares monthly weather conditions in Langley Park, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)56 mm (2.2 inches)89%low
February Weather5°C (41°F)87 mm (3.4 inches)87%low
March Weather6°C (43°F)77 mm (3.0 inches)85%moderate
April Weather7°C (45°F)40 mm (1.6 inches)84%moderate
May Weather11°C (51°F)63 mm (2.5 inches)83%high
June Weather14°C (57°F)87 mm (3.4 inches)85%very high
July Weather16°C (60°F)83 mm (3.3 inches)83%very high
August Weather15°C (59°F)88 mm (3.4 inches)82%high
September Weather13°C (55°F)70 mm (2.8 inches)87%moderate
October Weather10°C (50°F)92 mm (3.6 inches)89%moderate
November Weather7°C (44°F)69 mm (2.7 inches)90%low
December Weather5°C (41°F)78 mm (3.1 inches)88%low

Compare Langley Park's Climate with Cities Worldwide