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September Weather in Spetalen, Norway

Last updated: August 27, 2025

In Spetalen, Norway, the average temperature in September hovers around 11°C (52°F). However, temperatures can dip as low as -1°C (30°F) and soar to a comfortable 25°C (77°F). Expect 76 mm (3.0 in) of rain over 12 days, along with an average humidity of 91%, making for a moist and temperate climate.

September Temperature in Spetalen

In September in Spetalen, the average temperature is 11°C (52°F). The maximum can reach 25°C (77°F), while the minimum can be as low as -1°C (30°F). Be prepared for a mix of cool days and warmer afternoons, making it a great time to explore both indoors and outdoors.

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

The chart illustrates September temperature patterns in Spetalen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spetalen, September typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec272733415161635952433428
Data source: Temperature data for Spetalen 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 Spetalen

In Spetalen in September, the total precipitation amount is 76 mm (3.0 in), occurring over the course of 12 days.

September Precipitation Trends in Spetalen

The chart displays monthly precipitation patterns in Spetalen, 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 Spetalen, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4748503576778991761018778
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Spetalen

In Spetalen in September, humidity is 91%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers and plan for cozy indoor activities rather than lengthy outdoor explorations.

September Average Humidity in Spetalen

This chart illustrates the average monthly humidity levels in Spetalen, 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 Spetalen is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%95%92%88%84%82%82%87%91%95%97%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Spetalen

In Spetalen 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 Spetalen for better planning.

Maximum UV Index Levels in Spetalen for September

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

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

This table compares monthly weather conditions in Spetalen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)47 mm (1.8 inches)98%low
February Weather-3°C (27°F)48 mm (1.9 inches)95%low
March Weather1°C (33°F)50 mm (2.0 inches)92%moderate
April Weather5°C (41°F)35 mm (1.4 inches)88%moderate
May Weather10°C (51°F)75 mm (3.0 inches)84%moderate
June Weather16°C (61°F)77 mm (3.0 inches)82%high
July Weather17°C (63°F)89 mm (3.5 inches)82%high
August Weather15°C (60°F)90 mm (3.6 inches)87%moderate
September Weather11°C (52°F)76 mm (3.0 inches)91%moderate
October Weather6°C (43°F)101 mm (4.0 inches)95%low
November Weather1°C (35°F)87 mm (3.4 inches)97%low
December Weather-2°C (28°F)78 mm (3.1 inches)98%low

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