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September Weather in Naesum, Sweden

Last updated: August 27, 2025

In September, the average temperature in Naesum, Sweden hovers around 14°C (57°F), offering a mild climate. While daytime highs can reach up to 23°C (75°F), nights may dip to a chilly 1°C (34°F). Expect about 64 mm (2.5 in) of precipitation over 12 days, contributing to an average humidity of 82%. Whether you're exploring the outdoors or cozying up indoors, this month provides a unique atmosphere to enjoy!

September Temperature in Naesum

In September in Naesum, the average temperature is 14°C (57°F). The maximum can reach 23°C (75°F), and the minimum can be as low as 1°C (34°F). This makes Naesum a versatile travel destination, perfect for those who enjoy a mix of mild days and cool evenings.

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

The chart illustrates September temperature patterns in Naesum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naesum, September typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (75°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec353437435262636357494337
Data source: Temperature data for Naesum 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 Naesum

In Naesum in September, the total precipitation amount is 64 mm (2.5 in) over the course of 12 days.

September Precipitation Trends in Naesum

The chart displays monthly precipitation patterns in Naesum, 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 Naesum, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec496059365854728664835171
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Naesum

In Naesum in September, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

September Average Humidity in Naesum

This chart illustrates the average monthly humidity levels in Naesum, 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 Naesum is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%82%70%65%65%71%82%90%92%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Naesum

In Naesum 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 Naesum.

Maximum UV Index Levels in Naesum for September

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

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

This table compares monthly weather conditions in Naesum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)49 mm (1.9 inches)92%low
February Weather1°C (34°F)59 mm (2.3 inches)91%low
March Weather3°C (37°F)59 mm (2.3 inches)89%moderate
April Weather6°C (44°F)36 mm (1.4 inches)82%moderate
May Weather11°C (52°F)58 mm (2.3 inches)70%high
June Weather16°C (62°F)54 mm (2.1 inches)65%high
July Weather17°C (64°F)72 mm (2.8 inches)65%high
August Weather17°C (63°F)86 mm (3.4 inches)71%high
September Weather14°C (57°F)64 mm (2.5 inches)82%moderate
October Weather10°C (49°F)83 mm (3.3 inches)90%moderate
November Weather6°C (43°F)51 mm (2.0 inches)92%low
December Weather3°C (37°F)71 mm (2.8 inches)91%low

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