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September Weather in Harmanger, Sweden

Last updated: August 27, 2025

In September, the average temperature in Harmanger, Sweden hovers around 12°C (53°F). Expect minimums dipping to 3°C (38°F), while the mercury may rise to a pleasant 20°C (68°F). With 60 mm (2.4 in) of precipitation spread over approximately 12 days, be prepared for some wet weather. Humidity levels can be quite high, averaging 87%, adding to the overall atmospheric feel of the region.

September Temperature in Harmanger

In September in Harmanger, the average temperature is 12°C (53°F). Maximum temperatures can reach 20°C (68°F), while the minimum can drop to as low as 3°C (38°F). Travelers should pack layers to stay comfortable during varying temperatures.

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

The chart illustrates September temperature patterns in Harmanger, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harmanger, September typically has an average temperature of 12°C (53°F), with highs reaching up to 20°C (68°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec282832374657616053443631
Data source: Temperature data for Harmanger 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 Harmanger

In Harmanger in September, the precipitation amount is 60 mm (2.4 in) over a span of 12 days.

September Precipitation Trends in Harmanger

The chart displays monthly precipitation patterns in Harmanger, 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 Harmanger, September typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5245432936517480601075577
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Harmanger

In Harmanger in September, humidity is 87%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and stifling, as the air thickens and clings to your skin, sapping your energy as you navigate the sights.

September Average Humidity in Harmanger

This chart illustrates the average monthly humidity levels in Harmanger, 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 Harmanger is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%93%91%84%74%73%73%78%87%92%94%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Harmanger

In Harmanger 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 Harmanger for better planning.

Maximum UV Index Levels in Harmanger for September

The chart shows the monthly maximum UV Index (UVI) for Harmanger 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 Harmanger typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456654211
Data source: Harmanger 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 Harmanger Compares to Other Months

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

This table compares monthly weather conditions in Harmanger, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)52 mm (2.0 inches)96%low
February Weather-2°C (28°F)45 mm (1.8 inches)93%low
March Weather0°C (32°F)43 mm (1.7 inches)91%moderate
April Weather3°C (38°F)29 mm (1.1 inches)84%moderate
May Weather8°C (46°F)36 mm (1.4 inches)74%moderate
June Weather14°C (57°F)51 mm (2.0 inches)73%high
July Weather16°C (61°F)74 mm (2.9 inches)73%high
August Weather16°C (60°F)80 mm (3.1 inches)78%moderate
September Weather12°C (53°F)60 mm (2.4 inches)87%moderate
October Weather7°C (44°F)107 mm (4.2 inches)92%low
November Weather2°C (37°F)55 mm (2.1 inches)94%low
December Weather-1°C (31°F)77 mm (3.0 inches)94%low

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