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September Weather in Santon, Isle of Man

Last updated: August 23, 2025

In September, the average temperature in Santon, Isle of Man hovers around 14°C (58°F). Expect a minimum of 10°C (51°F) and a comfortable maximum of 19°C (67°F). With 85% average humidity and 98 mm (3.8 in) of precipitation spread over 15 days, be prepared for a mix of mild weather and occasional rain.

September Temperature in Santon

In September in Santon, the average temperature is 14°C (58°F). Maximum temperatures can reach 19°C (67°F), while minimum temperatures can drop to as low as 10°C (51°F). Travelers can expect mild and comfortable weather, making it a pleasant time to explore the area.

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

The chart illustrates September temperature patterns in Santon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santon, September typically has an average temperature of 14°C (58°F), with highs reaching up to 19°C (67°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec464545475055585958555047
Data source: Temperature data for Santon 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 Santon

In Santon in September, the precipitation amount is 98 mm (3.8 in) spread over 15 days, creating a consistent pattern of rainfall throughout the month.

September Precipitation Trends in Santon

The chart displays monthly precipitation patterns in Santon, 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 Santon, September typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8611290384572759598150145150
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santon

In Santon in September, humidity is 85%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making even short walks feel heavy and exhausting for traveling.

September Average Humidity in Santon

This chart illustrates the average monthly humidity levels in Santon, 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 Santon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santon

In Santon 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 Santon.

Maximum UV Index Levels in Santon for September

The chart shows the monthly maximum UV Index (UVI) for Santon 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 Santon typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Santon 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 Santon Compares to Other Months

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

This table compares monthly weather conditions in Santon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)86 mm (3.4 inches)89%low
February Weather7°C (45°F)112 mm (4.4 inches)88%low
March Weather7°C (45°F)90 mm (3.6 inches)86%moderate
April Weather8°C (47°F)38 mm (1.5 inches)84%moderate
May Weather10°C (51°F)45 mm (1.8 inches)79%high
June Weather13°C (55°F)72 mm (2.8 inches)81%very high
July Weather14°C (58°F)75 mm (2.9 inches)78%very high
August Weather15°C (59°F)95 mm (3.7 inches)79%high
September Weather14°C (58°F)98 mm (3.8 inches)85%moderate
October Weather13°C (55°F)150 mm (5.9 inches)90%moderate
November Weather10°C (51°F)145 mm (5.7 inches)91%low
December Weather8°C (48°F)150 mm (5.9 inches)89%low

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