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September Weather in Charlottenberg, Sweden

Last updated: August 27, 2025

In September, the average temperature in Charlottenberg, Sweden hovers around 11°C (53°F), with a minimum dip to -1°C (30°F) and a pleasant maximum of 25°C (77°F). Expect around 78 mm (3.1 in) of precipitation over 13 days, creating an average humidity of 86%. Perfect for cozy indoor activities or exploring the rich atmosphere of the season!

September Temperature in Charlottenberg

In September in Charlottenberg, the average temperature is 11°C (53°F), with maximums reaching up to 25°C (77°F) and minimums dropping as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures, making layered clothing a wise choice.

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

The chart illustrates September temperature patterns in Charlottenberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charlottenberg, September typically has an average temperature of 11°C (53°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec282833415161635952433529
Data source: Temperature data for Charlottenberg 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 Charlottenberg

In Charlottenberg in September, the precipitation amount is 78 mm (3.1 in) spread over 13 days.

September Precipitation Trends in Charlottenberg

The chart displays monthly precipitation patterns in Charlottenberg, 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 Charlottenberg, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4650523677819193781028478
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Charlottenberg

In Charlottenberg in September, humidity is 86%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket that dampens the air, making traveling uncomfortable and a bit stifling.

September Average Humidity in Charlottenberg

This chart illustrates the average monthly humidity levels in Charlottenberg, 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 Charlottenberg is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Charlottenberg

In Charlottenberg 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 Charlottenberg for better planning.

Maximum UV Index Levels in Charlottenberg for September

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

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

This table compares monthly weather conditions in Charlottenberg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)46 mm (1.8 inches)94%low
February Weather-2°C (28°F)50 mm (2.0 inches)92%low
March Weather1°C (34°F)52 mm (2.1 inches)89%moderate
April Weather5°C (42°F)36 mm (1.4 inches)82%moderate
May Weather11°C (51°F)77 mm (3.0 inches)73%moderate
June Weather16°C (61°F)81 mm (3.2 inches)71%high
July Weather17°C (63°F)91 mm (3.6 inches)72%high
August Weather15°C (60°F)93 mm (3.6 inches)77%moderate
September Weather11°C (53°F)78 mm (3.1 inches)86%moderate
October Weather6°C (44°F)102 mm (4.0 inches)92%low
November Weather2°C (35°F)84 mm (3.3 inches)93%low
December Weather-2°C (29°F)78 mm (3.1 inches)93%low

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