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September Weather in Gullbranna, Sweden

Last updated: August 27, 2025

In September, the average temperature in Gullbranna, Sweden hovers around 13°C (56°F), ranging from a brisk 1°C (34°F) to a comfortable 26°C (79°F). You can expect around 90 mm (3.5 in) of precipitation spread over 14 days, while the air maintains an average humidity of 82%.

September Temperature in Gullbranna

In September in Gullbranna, the average temperature is 13°C (56°F). Maximums can reach 26°C (79°F), and minimums can be as low as 1°C (34°F). This pleasant range makes Gullbranna an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates September temperature patterns in Gullbranna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gullbranna, September typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec353437445362636256494236
Data source: Temperature data for Gullbranna 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 Gullbranna

In Gullbranna in September, the precipitation amount is 90 mm (3.5 in) spread over a total of 14 days.

September Precipitation Trends in Gullbranna

The chart displays monthly precipitation patterns in Gullbranna, 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 Gullbranna, September typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec576570427656104119901035873
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gullbranna

In Gullbranna in September, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

September Average Humidity in Gullbranna

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

In Gullbranna 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 Gullbranna.

Maximum UV Index Levels in Gullbranna for September

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

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

This table compares monthly weather conditions in Gullbranna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)57 mm (2.2 inches)92%low
February Weather1°C (34°F)65 mm (2.6 inches)91%low
March Weather3°C (37°F)69 mm (2.7 inches)89%moderate
April Weather7°C (44°F)42 mm (1.6 inches)82%moderate
May Weather11°C (53°F)76 mm (3.0 inches)70%high
June Weather17°C (62°F)56 mm (2.2 inches)65%high
July Weather17°C (63°F)104 mm (4.1 inches)65%high
August Weather17°C (62°F)119 mm (4.7 inches)71%high
September Weather13°C (56°F)90 mm (3.5 inches)82%moderate
October Weather9°C (49°F)103 mm (4.0 inches)90%moderate
November Weather6°C (43°F)58 mm (2.3 inches)92%low
December Weather2°C (37°F)73 mm (2.9 inches)91%low

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