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September Weather in Marsworth, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Marsworth, United Kingdom hovers around 15°C (59°F). Expect a comfortable range, with minima dipping to 3°C (38°F) and maxima peaking at 29°C (84°F). Be prepared for some rainfall, as precipitation averages 54 mm (2.1 in) over 10 days. The air will feel quite humid, with an average humidity level of 82%, adding to the overall atmosphere of the season.

September Temperature in Marsworth

In September in Marsworth, 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 (38°F). This makes it a great time to explore Marsworth, as you can enjoy mild weather with a mix of pleasant warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Marsworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marsworth, 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 (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245495561656358524643
Data source: Temperature data for Marsworth 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 Marsworth

In Marsworth in September, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.

September Precipitation Trends in Marsworth

The chart displays monthly precipitation patterns in Marsworth, 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 Marsworth, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec545158356776677354955683
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Marsworth

In Marsworth 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 Marsworth

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

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

Maximum UV Index Levels in Marsworth for September

The chart shows the monthly maximum UV Index (UVI) for Marsworth 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 Marsworth typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Marsworth 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 Marsworth Compares to Other Months

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

This table compares monthly weather conditions in Marsworth, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)54 mm (2.1 inches)91%low
February Weather6°C (43°F)51 mm (2.0 inches)89%low
March Weather7°C (45°F)58 mm (2.3 inches)86%moderate
April Weather9°C (49°F)35 mm (1.4 inches)85%high
May Weather13°C (55°F)67 mm (2.7 inches)79%high
June Weather16°C (61°F)75 mm (3.0 inches)80%very high
July Weather18°C (65°F)67 mm (2.6 inches)71%very high
August Weather17°C (63°F)73 mm (2.9 inches)76%high
September Weather15°C (59°F)54 mm (2.1 inches)82%high
October Weather11°C (53°F)95 mm (3.7 inches)90%moderate
November Weather8°C (46°F)56 mm (2.2 inches)92%low
December Weather6°C (43°F)83 mm (3.3 inches)92%low

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