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September Weather in Upwell, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Upwell, United Kingdom hovers around 15°C (59°F). Expect chilly nights as the temperature can dip to a minimum of 3°C (38°F), while sunny days might reach a warm 29°C (84°F). Prepare for some rain, with an average precipitation of 59 mm (2.3 in) spread over 11 days, and feel the humidity linger at a notable 84%.

September Temperature in Upwell

In September in Upwell, 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 Upwell, as you can enjoy mild weather with a mix of pleasant warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Upwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upwell, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656459534643
Data source: Temperature data for Upwell 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 Upwell

In Upwell in September, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.

September Precipitation Trends in Upwell

The chart displays monthly precipitation patterns in Upwell, 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 Upwell, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec495153326473647359784881
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Upwell

In Upwell in September, humidity is 84%. With an average temperature of 15°C (59°F), this humidity feels like an oppressive blanket wrapping around you, making it challenging to enjoy outdoor activities and travel comfortably.

September Average Humidity in Upwell

This chart illustrates the average monthly humidity levels in Upwell, 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 Upwell is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%85%83%83%80%78%84%88%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Upwell

In Upwell 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 Upwell.

Maximum UV Index Levels in Upwell for September

The chart shows the monthly maximum UV Index (UVI) for Upwell 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 Upwell typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Upwell 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 Upwell Compares to Other Months

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

This table compares monthly weather conditions in Upwell, 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)89%low
February Weather6°C (43°F)51 mm (2.0 inches)87%low
March Weather7°C (46°F)53 mm (2.1 inches)86%moderate
April Weather9°C (49°F)32 mm (1.3 inches)85%moderate
May Weather13°C (55°F)64 mm (2.5 inches)83%high
June Weather16°C (62°F)73 mm (2.9 inches)83%very high
July Weather18°C (65°F)64 mm (2.5 inches)79%very high
August Weather18°C (64°F)73 mm (2.9 inches)78%high
September Weather15°C (59°F)59 mm (2.3 inches)84%moderate
October Weather12°C (54°F)78 mm (3.1 inches)88%moderate
November Weather8°C (47°F)48 mm (1.9 inches)89%low
December Weather6°C (43°F)81 mm (3.2 inches)88%low

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