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September Weather in Ullervad, Sweden

Last updated: August 27, 2025

In September, the average temperature in Ullervad, Sweden hovers around 13°C (56°F), with a minimum of 5°C (42°F) and a maximum soaring to 22°C (73°F). Prepare for a moderately wet month, as you can expect about 97 mm (3.8 in) of precipitation spread over 14 days. The air feels quite humid, with an average humidity level of 86%, making for a balmy climate overall.

September Temperature in Ullervad

In September in Ullervad, the average temperature is 13°C (56°F). Maximums can reach 22°C (73°F), and minimums can be as low as 5°C (42°F). This mild climate makes Ullervad an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Ullervad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ullervad, September typically has an average temperature of 13°C (56°F), with highs reaching up to 22°C (73°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec343235415061646356484136
Data source: Temperature data for Ullervad 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 Ullervad

In Ullervad in September, the total precipitation amount is 97 mm (3.8 in) spread over 14 days.

September Precipitation Trends in Ullervad

The chart displays monthly precipitation patterns in Ullervad, 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 Ullervad, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec414350286262819297976563
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ullervad

In Ullervad in September, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

September Average Humidity in Ullervad

This chart illustrates the average monthly humidity levels in Ullervad, 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 Ullervad is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%81%72%68%70%77%86%91%93%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ullervad

In Ullervad 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 Ullervad for better planning.

Maximum UV Index Levels in Ullervad for September

The chart shows the monthly maximum UV Index (UVI) for Ullervad 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 Ullervad typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Ullervad 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 Ullervad Compares to Other Months

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

This table compares monthly weather conditions in Ullervad, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)41 mm (1.6 inches)94%low
February Weather0°C (33°F)43 mm (1.7 inches)92%low
March Weather2°C (35°F)50 mm (2.0 inches)89%moderate
April Weather5°C (41°F)28 mm (1.1 inches)81%moderate
May Weather10°C (50°F)61 mm (2.4 inches)72%moderate
June Weather16°C (61°F)62 mm (2.4 inches)68%high
July Weather18°C (65°F)81 mm (3.2 inches)70%high
August Weather17°C (63°F)92 mm (3.6 inches)77%high
September Weather13°C (56°F)97 mm (3.8 inches)86%moderate
October Weather9°C (49°F)97 mm (3.8 inches)91%low
November Weather5°C (42°F)64 mm (2.5 inches)93%low
December Weather2°C (36°F)63 mm (2.5 inches)94%low

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