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September Weather in OEstervala, Sweden

Last updated: August 27, 2025

In September, the average temperature in OEstervala, Sweden hovers around 12°C (54°F). You can expect a minimum of 0°C (31°F) and a maximum of 26°C (78°F). During this time, precipitation totals about 51 mm (2.0 in) spread over 9 days, while the air maintains a high average humidity level of 87%.

September Temperature in OEstervala

In September in OEstervala, the average temperature is 12°C (54°F). Maximums can reach 26°C (78°F), and minimums can be as low as 0°C (31°F). This range makes OEstervala an ideal destination for travelers seeking mild weather and a mix of outdoor activities.

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

The chart illustrates September temperature patterns in OEstervala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In OEstervala, September typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (78°F) and lows dropping to around 0°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec292934405162646154453731
Data source: Temperature data for OEstervala 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 OEstervala

In OEstervala in September, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

September Precipitation Trends in OEstervala

The chart displays monthly precipitation patterns in OEstervala, 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 OEstervala, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec333236295959697552814351
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in OEstervala

In OEstervala 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 OEstervala

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

In OEstervala 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 OEstervala for better planning.

Maximum UV Index Levels in OEstervala for September

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

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

This table compares monthly weather conditions in OEstervala, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)33 mm (1.3 inches)96%low
February Weather-2°C (29°F)31 mm (1.2 inches)93%low
March Weather1°C (34°F)36 mm (1.4 inches)91%moderate
April Weather5°C (41°F)29 mm (1.1 inches)84%moderate
May Weather10°C (51°F)59 mm (2.3 inches)74%moderate
June Weather16°C (62°F)59 mm (2.3 inches)73%high
July Weather18°C (64°F)69 mm (2.7 inches)73%high
August Weather16°C (62°F)75 mm (3.0 inches)78%moderate
September Weather12°C (54°F)51 mm (2.0 inches)87%moderate
October Weather7°C (45°F)81 mm (3.2 inches)92%low
November Weather3°C (38°F)43 mm (1.7 inches)94%low
December Weather0°C (31°F)51 mm (2.0 inches)94%low

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