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September Weather in Sankt Olof, Sweden

Last updated: August 27, 2025

In Sankt Olof, Sweden, the average temperature in September is a comfortable 15°C (59°F). Expect lows around 7°C (45°F) and highs reaching up to 23°C (73°F). During the month, you'll encounter approximately 67 mm (2.6 in) of precipitation spread over 12 days, contributing to an average humidity of 82%. Enjoy the mild climate and prepare for a few rainy days!

September Temperature in Sankt Olof

In September in Sankt Olof, the average temperature is 15°C (59°F). The maximum can reach 23°C (73°F), and the minimum can be as low as 7°C (45°F). It's a great time to visit for those who enjoy mild weather and comfortable conditions for outdoor activities.

September Weather in Sankt Olof: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sankt Olof, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sankt Olof, September typically has an average temperature of 15°C (59°F), with highs reaching up to 23°C (73°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec373638435061636458524539
Data source: Temperature data for Sankt Olof 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 Sankt Olof

In Sankt Olof in September, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

September Precipitation Trends in Sankt Olof

The chart displays monthly precipitation patterns in Sankt Olof, 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 Sankt Olof, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec586559314452616967856481
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sankt Olof

In Sankt Olof 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 Sankt Olof

This chart illustrates the average monthly humidity levels in Sankt Olof, 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 Sankt Olof is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%87%85%82%81%82%80%82%85%85%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sankt Olof

In Sankt Olof 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 Sankt Olof.

Maximum UV Index Levels in Sankt Olof for September

The chart shows the monthly maximum UV Index (UVI) for Sankt Olof 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 Sankt Olof typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Sankt Olof 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 Sankt Olof Compares to Other Months

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

This table compares monthly weather conditions in Sankt Olof, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)58 mm (2.3 inches)87%low
February Weather2°C (36°F)65 mm (2.6 inches)88%low
March Weather3°C (38°F)59 mm (2.3 inches)87%moderate
April Weather6°C (43°F)31 mm (1.2 inches)85%moderate
May Weather10°C (51°F)44 mm (1.7 inches)82%high
June Weather16°C (61°F)52 mm (2.0 inches)81%high
July Weather17°C (64°F)61 mm (2.4 inches)82%high
August Weather18°C (64°F)69 mm (2.7 inches)80%high
September Weather15°C (59°F)67 mm (2.6 inches)82%moderate
October Weather11°C (52°F)85 mm (3.4 inches)85%moderate
November Weather7°C (45°F)64 mm (2.5 inches)85%low
December Weather4°C (39°F)81 mm (3.2 inches)85%low

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