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September Weather in Innellan, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Innellan, United Kingdom is a comfortable 13°C (55°F), with a minimum dipping to 0°C (32°F) and a maximum reaching 24°C (76°F). Expect 140 mm (5.5 in) of precipitation spread over about 18 days, contributing to a high average humidity of 88%.

September Temperature in Innellan

In September in Innellan, the average temperature is 13°C (55°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as 0°C (32°F). Overall, this climate makes for a pleasant travel experience, perfect for exploring outdoor attractions.

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

The chart illustrates September temperature patterns in Innellan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Innellan, September typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (76°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec414143465156595855504541
Data source: Temperature data for Innellan 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 Innellan

In Innellan in September, the precipitation amount is 140 mm (5.5 in) over the course of 18 days.

September Precipitation Trends in Innellan

The chart displays monthly precipitation patterns in Innellan, 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 Innellan, September typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221871496281133120171140205163167
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Innellan

In Innellan 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 Innellan

This chart illustrates the average monthly humidity levels in Innellan, 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 Innellan is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Innellan

In Innellan 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 Innellan.

Maximum UV Index Levels in Innellan for September

The chart shows the monthly maximum UV Index (UVI) for Innellan 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 Innellan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Innellan 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 Innellan Compares to Other Months

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

This table compares monthly weather conditions in Innellan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)122 mm (4.8 inches)87%low
February Weather5°C (41°F)187 mm (7.4 inches)86%low
March Weather6°C (43°F)149 mm (5.8 inches)86%moderate
April Weather8°C (46°F)62 mm (2.4 inches)85%moderate
May Weather11°C (51°F)81 mm (3.2 inches)82%high
June Weather13°C (56°F)133 mm (5.2 inches)84%very high
July Weather15°C (59°F)120 mm (4.7 inches)86%very high
August Weather14°C (58°F)171 mm (6.7 inches)86%high
September Weather13°C (55°F)140 mm (5.5 inches)88%moderate
October Weather10°C (50°F)205 mm (8.1 inches)89%moderate
November Weather7°C (45°F)163 mm (6.4 inches)90%low
December Weather5°C (42°F)167 mm (6.6 inches)86%low

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