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September Weather in Norrsundet, Sweden

Last updated: August 27, 2025

In September, the average temperature in Norrsundet, Sweden hovers around 12°C (54°F), offering a mild climate perfect for exploration. Temperatures can dip to a chilly 3°C (37°F) at their lowest and soar to a pleasant 23°C (73°F) at the high end. While you enjoy your time, be prepared for approximately 50 mm (2.0 in) of precipitation spread over 11 days. This month also boasts a high average humidity of 87%, creating a uniquely cozy atmosphere.

September Temperature in Norrsundet

In September in Norrsundet, the average temperature is 12°C (54°F), with maximums reaching 23°C (73°F) and minimums dipping as low as 3°C (37°F). It's a great time for travelers to enjoy mild weather while exploring the local sights.

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

The chart illustrates September temperature patterns in Norrsundet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Norrsundet, September typically has an average temperature of 12°C (54°F), with highs reaching up to 23°C (73°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec303034394859636254463832
Data source: Temperature data for Norrsundet 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 Norrsundet

In Norrsundet in September, the precipitation amount is 50 mm (2.0 in) over the course of 11 days.

September Precipitation Trends in Norrsundet

The chart displays monthly precipitation patterns in Norrsundet, 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 Norrsundet, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3946373049556391501055059
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Norrsundet

In Norrsundet in September humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

September Average Humidity in Norrsundet

This chart illustrates the average monthly humidity levels in Norrsundet, 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 Norrsundet 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 Norrsundet

In Norrsundet 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 Norrsundet for better planning.

Maximum UV Index Levels in Norrsundet for September

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

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

This table compares monthly weather conditions in Norrsundet, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)39 mm (1.5 inches)96%low
February Weather-1°C (30°F)46 mm (1.8 inches)93%low
March Weather1°C (34°F)37 mm (1.5 inches)91%moderate
April Weather4°C (39°F)30 mm (1.2 inches)84%moderate
May Weather9°C (48°F)49 mm (1.9 inches)74%moderate
June Weather15°C (59°F)55 mm (2.2 inches)73%high
July Weather17°C (63°F)63 mm (2.5 inches)73%high
August Weather16°C (62°F)91 mm (3.6 inches)78%moderate
September Weather12°C (54°F)50 mm (2.0 inches)87%moderate
October Weather8°C (46°F)105 mm (4.1 inches)92%low
November Weather4°C (39°F)50 mm (2.0 inches)94%low
December Weather0°C (33°F)59 mm (2.3 inches)94%low

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