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September Weather in North Waltham, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in North Waltham, United Kingdom is a comfortable 15°C (59°F). Visitors can expect a minimum temperature of 2°C (36°F), while the maximum can reach up to 28°C (82°F). This month sees an average precipitation of 47 mm (1.9 in) over 9 days, along with a notable average humidity of 82%. Prepare accordingly to enjoy the local climate!

September Temperature in North Waltham

In September in North Waltham, 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 North Waltham: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in North Waltham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Waltham, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414345495461646358534643
Data source: Temperature data for North Waltham 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 North Waltham

In North Waltham in September, the precipitation amount is 47 mm (1.9 in) spread over a period of 9 days.

September Precipitation Trends in North Waltham

The chart displays monthly precipitation patterns in North Waltham, 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 North Waltham, September typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec505663397279657147996088
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in North Waltham

In North Waltham 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 North Waltham

This chart illustrates the average monthly humidity levels in North Waltham, 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 North Waltham 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 North Waltham

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

Maximum UV Index Levels in North Waltham for September

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

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

This table compares monthly weather conditions in North Waltham, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)50 mm (2.0 inches)91%low
February Weather6°C (43°F)56 mm (2.2 inches)89%low
March Weather7°C (45°F)63 mm (2.5 inches)86%moderate
April Weather9°C (49°F)39 mm (1.5 inches)85%high
May Weather12°C (55°F)72 mm (2.8 inches)79%high
June Weather16°C (61°F)79 mm (3.1 inches)80%very high
July Weather18°C (65°F)65 mm (2.5 inches)71%very high
August Weather17°C (63°F)71 mm (2.8 inches)76%high
September Weather15°C (59°F)47 mm (1.9 inches)82%high
October Weather11°C (53°F)99 mm (3.9 inches)90%moderate
November Weather8°C (46°F)60 mm (2.3 inches)92%low
December Weather6°C (44°F)88 mm (3.4 inches)92%low

Compare North Waltham's Climate with Cities Worldwide