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September Weather in Rorvik, Sweden

Last updated: August 27, 2025

In September, the average temperature in Rorvik, Sweden is a mild 13°C (56°F). Expect a minimum of 4°C (40°F) and peaks reaching up to 21°C (70°F). The region experiences 53 mm (2.1 in) of precipitation spread over about 10 days, coupled with a high average humidity of 85%—perfect conditions for a cozy, yet vibrant atmosphere!

September Temperature in Rorvik

In September in Rorvik, the average temperature is 13°C (56°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as 4°C (40°F). It's a great time to visit if you enjoy mild weather and want to experience the charm of Rorvik during this pleasant season.

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

The chart illustrates September temperature patterns in Rorvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rorvik, September typically has an average temperature of 13°C (56°F), with highs reaching up to 21°C (70°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec333234394657626356484136
Data source: Temperature data for Rorvik 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 Rorvik

In Rorvik in September, the precipitation amount is 53 mm (2.1 in) spread over a duration of 10 days.

September Precipitation Trends in Rorvik

The chart displays monthly precipitation patterns in Rorvik, 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 Rorvik, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec433639294734545554875473
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rorvik

In Rorvik in September humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.

September Average Humidity in Rorvik

This chart illustrates the average monthly humidity levels in Rorvik, 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 Rorvik is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%89%85%77%76%74%77%85%89%90%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rorvik

In Rorvik in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Rorvik for better planning.

Maximum UV Index Levels in Rorvik for September

The chart shows the monthly maximum UV Index (UVI) for Rorvik 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 Rorvik typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Rorvik 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 Rorvik Compares to Other Months

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

This table compares monthly weather conditions in Rorvik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)43 mm (1.7 inches)90%low
February Weather0°C (32°F)36 mm (1.4 inches)88%low
March Weather1°C (35°F)39 mm (1.5 inches)89%moderate
April Weather4°C (39°F)29 mm (1.1 inches)85%moderate
May Weather8°C (47°F)47 mm (1.9 inches)77%moderate
June Weather14°C (58°F)34 mm (1.4 inches)76%high
July Weather17°C (63°F)54 mm (2.1 inches)74%high
August Weather17°C (63°F)55 mm (2.2 inches)77%moderate
September Weather13°C (56°F)53 mm (2.1 inches)85%moderate
October Weather9°C (48°F)87 mm (3.4 inches)89%low
November Weather5°C (42°F)54 mm (2.1 inches)90%low
December Weather2°C (36°F)73 mm (2.9 inches)87%low

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