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September Weather in Orsta, Norway

Last updated: August 27, 2025

In September, the average temperature in Orsta, Norway hovers around 11°C (51°F). You can expect a minimum of 2°C (36°F) and a maximum of 20°C (68°F). However, be prepared for some rain, as 255 mm (10.1 in) of precipitation is likely to fall over 19 days. With an average humidity of 87%, the air will feel quite moist, so make sure to dress accordingly!

September Temperature in Orsta

In September in Orsta, the average temperature is 11°C (51°F). Maximums can reach 20°C (68°F), while minimums can be as low as 2°C (36°F). This weather makes Orsta a great destination for travelers seeking mild temperatures and pleasant outdoor activities.

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

The chart illustrates September temperature patterns in Orsta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orsta, September typically has an average temperature of 11°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323235394754575651443733
Data source: Temperature data for Orsta 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 Orsta

In Orsta in September, the precipitation amount is 255 mm (10.1 in) over a span of 19 days.

September Precipitation Trends in Orsta

The chart displays monthly precipitation patterns in Orsta, 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 Orsta, September typically receives around 255 mm (10.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec186152173155102114123167255263173198
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Orsta

In Orsta in September humidity is 87%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill wrapping around you, making outdoor excursions a bit uncomfortable as the air feels thick and heavy, urging you to seek shelter more often than not.

September Average Humidity in Orsta

This chart illustrates the average monthly humidity levels in Orsta, 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 Orsta is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%84%84%84%83%86%87%87%87%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Orsta

In Orsta 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 Orsta for better planning.

Maximum UV Index Levels in Orsta for September

The chart shows the monthly maximum UV Index (UVI) for Orsta 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 Orsta typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456654211
Data source: Orsta 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 Orsta Compares to Other Months

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

This table compares monthly weather conditions in Orsta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)186 mm (7.3 inches)85%low
February Weather0°C (32°F)152 mm (6.0 inches)84%low
March Weather2°C (35°F)173 mm (6.8 inches)84%moderate
April Weather4°C (40°F)155 mm (6.1 inches)84%moderate
May Weather8°C (47°F)102 mm (4.0 inches)84%moderate
June Weather12°C (55°F)114 mm (4.5 inches)83%high
July Weather14°C (57°F)123 mm (4.9 inches)86%high
August Weather13°C (56°F)167 mm (6.6 inches)87%moderate
September Weather11°C (51°F)255 mm (10.1 inches)87%moderate
October Weather7°C (44°F)263 mm (10.3 inches)87%low
November Weather3°C (38°F)173 mm (6.8 inches)87%low
December Weather1°C (34°F)198 mm (7.8 inches)84%low

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