September Weather in Hammarstrand, Sweden

Last updated: August 27, 2025

In Hammarstrand, Sweden, the average temperature in September is a cool 9°C (48°F), with minimums dipping to -1°C (30°F) and maximums reaching 22°C (71°F). Expect 74 mm (2.9 in) of precipitation over 13 days, contributing to an average humidity level of a high 89%.

September Temperature in Hammarstrand

In September in Hammarstrand, the average temperature is 9°C (48°F). Maximum temperatures can reach 22°C (71°F), while the minimum can drop as low as -1°C (30°F). Be sure to pack layers to comfortably enjoy your travels in this versatile climate.

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

The chart illustrates September temperature patterns in Hammarstrand, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hammarstrand, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (71°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec212027354657605748392924
Data source: Temperature data for Hammarstrand 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 Hammarstrand

In Hammarstrand in September, the precipitation amount is 74 mm (2.9 in) over the course of 13 days.

September Precipitation Trends in Hammarstrand

The chart displays monthly precipitation patterns in Hammarstrand, 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 Hammarstrand, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec483541344572867174754964
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hammarstrand

In Hammarstrand 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 Hammarstrand

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

In Hammarstrand 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 Hammarstrand, you can check the information here.

Maximum UV Index Levels in Hammarstrand for September

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

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

This table compares monthly weather conditions in Hammarstrand, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)48 mm (1.9 inches)97%low
February Weather-7°C (20°F)35 mm (1.4 inches)95%low
March Weather-3°C (27°F)41 mm (1.6 inches)92%moderate
April Weather2°C (35°F)34 mm (1.3 inches)86%moderate
May Weather8°C (47°F)45 mm (1.8 inches)80%moderate
June Weather14°C (57°F)71 mm (2.8 inches)76%high
July Weather15°C (60°F)86 mm (3.4 inches)80%high
August Weather14°C (57°F)71 mm (2.8 inches)86%moderate
September Weather9°C (48°F)74 mm (2.9 inches)89%moderate
October Weather4°C (39°F)74 mm (2.9 inches)93%low
November Weather-1°C (30°F)49 mm (1.9 inches)94%low
December Weather-5°C (24°F)64 mm (2.5 inches)96%low

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