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September Weather in Roennaeng, Sweden

Last updated: August 27, 2025

In September, the average temperature in Roennaeng, Sweden hovers around 15°C (59°F), with a comfortable range from a minimum of 10°C (50°F) to a maximum of 20°C (68°F). Be prepared for 134 mm (5.3 in) of precipitation spread over 17 days, contributing to an average humidity level of 85%. Dress accordingly to stay cozy and dry while exploring!

September Temperature in Roennaeng

In September in Roennaeng, the average temperature is 15°C (59°F). The maximum can reach 20°C (68°F), while the minimum can be as low as 10°C (50°F). This mild weather makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Roennaeng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roennaeng, September typically has an average temperature of 15°C (59°F), with highs reaching up to 20°C (68°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec383638435260636358524539
Data source: Temperature data for Roennaeng 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 Roennaeng

In Roennaeng in September, the total precipitation amount is 134 mm (5.3 in) over 17 days.

September Precipitation Trends in Roennaeng

The chart displays monthly precipitation patterns in Roennaeng, 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 Roennaeng, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7082733662678411013415212499
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Roennaeng

In Roennaeng in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

September Average Humidity in Roennaeng

This chart illustrates the average monthly humidity levels in Roennaeng, 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 Roennaeng is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%84%75%74%73%77%86%91%92%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Roennaeng

In Roennaeng 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 Roennaeng for better planning.

Maximum UV Index Levels in Roennaeng for September

The chart shows the monthly maximum UV Index (UVI) for Roennaeng 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 Roennaeng typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Roennaeng 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 Roennaeng Compares to Other Months

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

This table compares monthly weather conditions in Roennaeng, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)70 mm (2.7 inches)92%low
February Weather2°C (36°F)82 mm (3.2 inches)91%low
March Weather3°C (38°F)73 mm (2.9 inches)89%moderate
April Weather6°C (44°F)36 mm (1.4 inches)84%moderate
May Weather11°C (52°F)62 mm (2.4 inches)75%high
June Weather16°C (61°F)67 mm (2.6 inches)73%high
July Weather17°C (64°F)84 mm (3.3 inches)73%high
August Weather17°C (63°F)110 mm (4.3 inches)77%high
September Weather15°C (59°F)134 mm (5.3 inches)85%moderate
October Weather11°C (52°F)152 mm (6.0 inches)91%low
November Weather7°C (45°F)124 mm (4.9 inches)92%low
December Weather4°C (40°F)99 mm (3.9 inches)91%low

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