September Weather in Portinscale, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Portinscale, United Kingdom hovers around 13°C (55°F), with minimums dipping to 2°C (36°F) and maximums reaching a pleasant 26°C (79°F). Expect 140 mm (5.5 in) of rain over approximately 17 days, contributing to an average humidity level of 88%. 🌧️

September Temperature in Portinscale

In September in Portinscale, the average temperature is 13°C (55°F). Maximum temperatures can reach 26°C (79°F), while minimums can dip as low as 2°C (36°F). This mild climate makes Portinscale an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Portinscale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portinscale, 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 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404142465157595955504541
Data source: Temperature data for Portinscale 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 Portinscale

In Portinscale in September, the precipitation amount is 140 mm (5.5 in) spread over 17 days.

September Precipitation Trends in Portinscale

The chart displays monthly precipitation patterns in Portinscale, 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 Portinscale, September typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1041631385673115110167140193138158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Portinscale

In Portinscale in September humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.

September Average Humidity in Portinscale

This chart illustrates the average monthly humidity levels in Portinscale, 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 Portinscale is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Portinscale

In Portinscale 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 Portinscale.

Maximum UV Index Levels in Portinscale for September

The chart shows the monthly maximum UV Index (UVI) for Portinscale 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 Portinscale typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Portinscale 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 Portinscale Compares to Other Months

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

This table compares monthly weather conditions in Portinscale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)104 mm (4.1 inches)90%low
February Weather5°C (41°F)163 mm (6.4 inches)88%low
March Weather6°C (43°F)138 mm (5.4 inches)86%moderate
April Weather8°C (46°F)56 mm (2.2 inches)85%moderate
May Weather11°C (51°F)73 mm (2.9 inches)80%high
June Weather14°C (57°F)115 mm (4.5 inches)83%very high
July Weather15°C (60°F)110 mm (4.3 inches)82%very high
August Weather15°C (59°F)167 mm (6.6 inches)82%high
September Weather13°C (55°F)140 mm (5.5 inches)88%moderate
October Weather10°C (50°F)193 mm (7.6 inches)90%moderate
November Weather7°C (45°F)138 mm (5.4 inches)92%low
December Weather5°C (42°F)158 mm (6.2 inches)89%low

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