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September Weather in Naesaker, Sweden

Last updated: August 27, 2025

In Naesaker, Sweden, the average temperature in September is a cool 9°C (48°F), with temperatures dipping as low as -3°C (27°F) and soaring to a maximum of 22°C (72°F). Expect 72 mm (2.9 in) of precipitation over approximately 12 days, contributing to a notable average humidity of 89%. Embrace the season's charm while staying prepared for the upcoming weather!

September Temperature in Naesaker

In September in Naesaker, the average temperature is 9°C (48°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -3°C (27°F). This unpredictable range makes it essential for travelers to pack layers for their visit.

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

The chart illustrates September temperature patterns in Naesaker, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naesaker, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (72°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec202027374758615748392924
Data source: Temperature data for Naesaker 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 Naesaker

In Naesaker in September, the precipitation amount is 72 mm (2.9 in) over the course of 12 days.

September Precipitation Trends in Naesaker

The chart displays monthly precipitation patterns in Naesaker, 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 Naesaker, September typically receives around 72 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec463739344365797272825365
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Naesaker

In Naesaker in September humidity is 89%. With an average temperature of 9°C (48°F), this humidity feels like a chill that lingers in the air, wrapping around you like a damp blanket, making outdoor activities challenging and encouraging a cozy retreat indoors.

September Average Humidity in Naesaker

This chart illustrates the average monthly humidity levels in Naesaker, 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 Naesaker is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%87%80%76%80%86%89%93%94%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Naesaker

In Naesaker in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Naesaker, you can check the information here.

Maximum UV Index Levels in Naesaker for September

The chart shows the monthly maximum UV Index (UVI) for Naesaker 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 Naesaker typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Naesaker 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 Naesaker Compares to Other Months

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

This table compares monthly weather conditions in Naesaker, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)46 mm (1.8 inches)97%low
February Weather-7°C (20°F)37 mm (1.5 inches)95%low
March Weather-3°C (27°F)39 mm (1.5 inches)92%moderate
April Weather3°C (37°F)34 mm (1.3 inches)86%moderate
May Weather8°C (47°F)43 mm (1.7 inches)80%moderate
June Weather14°C (58°F)65 mm (2.6 inches)76%high
July Weather16°C (61°F)79 mm (3.1 inches)80%high
August Weather14°C (57°F)72 mm (2.8 inches)86%moderate
September Weather9°C (48°F)72 mm (2.9 inches)89%moderate
October Weather4°C (39°F)82 mm (3.2 inches)93%low
November Weather-2°C (29°F)53 mm (2.1 inches)94%low
December Weather-5°C (24°F)65 mm (2.6 inches)96%low

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